#### Study sets matching "physics chapter 11 equilibrium"

#### Study sets matching "physics chapter 11 equilibrium"

torque

lever arm

balanced torque

center of mass

it makes an object turn or rotate; it is produced when a forc…

when force is perpendicular, the distance from the turning ax…

when it acts on an object, there is no change in rotation

the point where all he mass of an object can be considered to…

torque

it makes an object turn or rotate; it is produced when a forc…

lever arm

when force is perpendicular, the distance from the turning ax…

If a net torque is applied to an objec…

According to Newton's second law, the…

A figure skater with arms initially ex…

A solid cylinder and a hollow cylinder…

An angular acceleration.

The net applied torque?

Greater than, because her moment of inertia decreases.

The hollow cylinder has the greater moment of inertia.

If a net torque is applied to an objec…

An angular acceleration.

According to Newton's second law, the…

The net applied torque?

torque

turn

accelerate, rotation

leverage, leverage

This is produced by a turning force and tends to produce rota…

To make an object __________ or rotate, apply a torque.

Force and torque are different; forces tend to make things __…

A torque is produced when a force is applied with "__________…

torque

This is produced by a turning force and tends to produce rota…

turn

To make an object __________ or rotate, apply a torque.

torque

turn

accelerate, rotation

leverage, leverage

This is produced by a turning force and tends to produce rota…

To make an object __________ or rotate, apply a torque.

Force and torque are different; forces tend to make things __…

A torque is produced when a force is applied with "__________…

torque

This is produced by a turning force and tends to produce rota…

turn

To make an object __________ or rotate, apply a torque.

force

torque

work

lever arm

push or ill that causes acceleration

causes rotation, the distance is perpendicular from the force…

force acts on object and moves in direction of force... (W=Fd)

when the force is perpendicular, the distance from the turnin…

force

push or ill that causes acceleration

torque

causes rotation, the distance is perpendicular from the force…

center of gravity

center of mass

lever arm

neutral equilibrium

average position of all particles of weight that make up- an…

where all the mass of an object can be considered to be conce…

perpendicular distance from the turning axis to the point of…

object that is bound so that any small movement neither angle…

center of gravity

average position of all particles of weight that make up- an…

center of mass

where all the mass of an object can be considered to be conce…

Torque

Lever Arm

Center of Mass.

Center of Gravity

Torque is produced by the turning force and tends to produce…

When the force is perpendicular, the distance from the turnin…

where all of the mass of an object can be considered to be co…

The average position of all the particles of weight that make…

Torque

Torque is produced by the turning force and tends to produce…

Lever Arm

When the force is perpendicular, the distance from the turnin…

Activation Energy

catalyst

enzyme

equilibrium

minimum amount of energy required for a reaction to occur

substance that speed up a reaction without being consumed

biological catalyst

exact balancing of two processes, one of which is opposite of…

Activation Energy

minimum amount of energy required for a reaction to occur

catalyst

substance that speed up a reaction without being consumed

The big Idea

torque

lever arm

11.1 concept Check: How do you make an…

An object will remain in rotational equilibrium if its center…

Torque is produced by this turning force and tends to produce…

When the force is perpendicular, the distance from the turnin…

when balanced torques act on an object, there is no change in…

The big Idea

An object will remain in rotational equilibrium if its center…

torque

Torque is produced by this turning force and tends to produce…

Torque

Lever Arm

Center of mass

Center of gravity

Is produced by this turning force and tends to produce rotati…

When the force is perpendicular, the dictance from the turnin…

Where all the mass of an object can be considered to be conce…

...

Torque

Is produced by this turning force and tends to produce rotati…

Lever Arm

When the force is perpendicular, the dictance from the turnin…

Torque

Lever Arm

Center of Mass.

Center of Gravity

Torque is produced by the turning force and tends to produce…

When the force is perpendicular, the distance from the turnin…

where all of the mass of an object can be considered to be co…

The average position of all the particles of weight that make…

Torque

Torque is produced by the turning force and tends to produce…

Lever Arm

When the force is perpendicular, the distance from the turnin…

Define rotation.

Define torque.

Define lever arm.

What is true of torque?

produced by a torque

distance from a turning axis to the point of contact

produces rotational acceleration

-caused by a turning force... -caused by an applied force acting…

Define rotation.

produced by a torque

Define torque.

distance from a turning axis to the point of contact

Torque

Lever arm

When balanced torques act on an object

Torque

Produced by a turning force and make rotational acceleration

The distance from the turning axis to the point of contact

There is no change in motion

Force x lever arm

Torque

Produced by a turning force and make rotational acceleration

Lever arm

The distance from the turning axis to the point of contact

Equilibrium

Stable Static Equilibrium

Unstable Static Equilibrium

Static Equilibrium

linear momentum of center of mass & angular momentum, about a…

the body returns to the state of static equilibrium after hav…

any small force can displace the body & end the equilibrium

unmoving object, linear momentum must be zero

Equilibrium

linear momentum of center of mass & angular momentum, about a…

Stable Static Equilibrium

the body returns to the state of static equilibrium after hav…

Define rotation.

Define torque.

Define lever arm.

What is torque caused by?

produced by a torque

produces rotational acceleration

distance from a turning axis to the point of contact

a. a turning force... b. an applied force acting through a lever…

Define rotation.

produced by a torque

Define torque.

produces rotational acceleration

Rotation

Torque

Lever Arm

B and C

Produced by a torque

Produces rotational acceleration

Distance from a turning axis to the point of contact

Circle the letter of each statement that is true of torque:... A…

Rotation

Produced by a torque

Torque

Produces rotational acceleration

Fundamental Assumptions

Free Entry

Blocked Entry

Market Structure

Sellers are Price-Takers... Sellers do not behave strategically…

When new sellers can enter into the market without any restri…

When new sellers can enter into the market with restrictions…

The economic environment in which buyers and sellers operate…

Fundamental Assumptions

Sellers are Price-Takers... Sellers do not behave strategically…

Free Entry

When new sellers can enter into the market without any restri…

Force

Net Force

Vector

Vector Quantity

An influence that tends to accelerate an object; a push or pu…

The combination of all the forces that act on an object.

An arrow whose length represents the magnitude of a quantity…

A quantity in physics, such as force, that has both magnitude…

Force

An influence that tends to accelerate an object; a push or pu…

Net Force

The combination of all the forces that act on an object.

wave

medium

mechanical waves

electromagnetic waves

the motion of a disturbance

physical environment or substance through which a wave can tr…

waves that require a medium through which to travel... ex: wate…

special waves not requiring a medium... ex: light and heat waves

wave

the motion of a disturbance

medium

physical environment or substance through which a wave can tr…

distance

frame of reference

relative motion

vector

the length of a path between two points.

a system of objects that are'nt moving with respect to one an…

movement in relation to a frame of reference.

a quantity that has a magnitude and direction.

distance

the length of a path between two points.

frame of reference

a system of objects that are'nt moving with respect to one an…

scalar

magnitude

tenperature

distance... time... speed

a quality that can be completely described by a single value…

means the size or amount and always includes units of measure…

a good example of a scalar quantity

other measurements that are expressed as scalar quantities, d…

scalar

a quality that can be completely described by a single value…

magnitude

means the size or amount and always includes units of measure…

torque

lever arm

center of mass

center of gravity

the rotational analog of force; the product of force and the…

the perpendicular distance between an axis and the line of ac…

the point at the center of an object's mass distribution, whe…

the point at the center of an object's weight distribution, w…

torque

the rotational analog of force; the product of force and the…

lever arm

the perpendicular distance between an axis and the line of ac…

Acceleration

Acceleration

Acceleration

Equilibrium Rule

The rate at which velocity changes with time

The change in velocity may be in magnitude or direction or both

usually measured in meters per seconds squared

The vector sum of forces acting on a non-accelerating object…

Acceleration

The rate at which velocity changes with time

Acceleration

The change in velocity may be in magnitude or direction or both

A force applied so as to cause angular…

a tangential force F applied at a dist…

a force exerted at an angle θ with res…

a single torque applied to an object g…

torque (τ)

τ = rF

τ = rF sinθ

angular acceleration

A force applied so as to cause angular…

torque (τ)

a tangential force F applied at a dist…

τ = rF

interest

holding money (instead of bonds)

transaction motive

holding bonds (instead of money)

the fee that borrowers pay to lenders for the use of their fu…

transaction motive

the main reason that people hold money- to buy things

speculation motive

interest

the fee that borrowers pay to lenders for the use of their fu…

holding money (instead of bonds)

transaction motive

easy monetary policy

interest

nonsynchronization of income and spend…

speculation motive

...

The fee that borrowers pay to lenders for the use of their fu…

The mismatch between the timing of money inflow to the househ…

One reason for holding bonds instead of money: Because the ma…

easy monetary policy

...

interest

The fee that borrowers pay to lenders for the use of their fu…

Statics

Equilibrium

How does equilibrium differ from Newto…

What is the first condition for equili…

the calculation of the forces acting on and within structures…

balance, equal forces acting on the same object

In Newton's Third Law, equal and opposite forces act on diffe…

Net forces must equal zero.... ΣF = 0

Statics

the calculation of the forces acting on and within structures…

Equilibrium

balance, equal forces acting on the same object

Frame of reference

Relative Motion

Distance

Vector

a system of objects not moving with respect to one another

motion in relation to frame of reference

the length of a path

a quantity that has a direction associated with it

Frame of reference

a system of objects not moving with respect to one another

Relative Motion

motion in relation to frame of reference

motion

frame of reference

displacement

speed

an object's change in position relative to a reference point.

a system of objects that are not moving with respect to one a…

distance and direction of an object's change in position from…

distance/time

motion

an object's change in position relative to a reference point.

frame of reference

a system of objects that are not moving with respect to one a…

Torque

How does torque increase?

Sin (90) degrees

Equilibrium

t=Fl... 1. Measures the ability of a force to produce rotational…

Torque increases as the following variables increase: ... 1. the…

= 1... - Sin (90) degrees is convenient to make the position vec…

A system in equilibrium experiences no net force, no net torq…

Torque

t=Fl... 1. Measures the ability of a force to produce rotational…

How does torque increase?

Torque increases as the following variables increase: ... 1. the…

Force

Net Force

Vector

Vector Quantity

An influence that tends to accelerate an object; a push or pu…

The combination of all the forces that act on an object.

An arrow whose length represents the magnitude of a quantity…

A quantity in physics, such as force, that has both magnitude…

Force

An influence that tends to accelerate an object; a push or pu…

Net Force

The combination of all the forces that act on an object.

Equilibrium

Translational Equilibrium

Rotational Equilibrium

Equilibrant Force

The state of an object in which there is no change in its mot…

When an object is in equilibrium in x-y-z planes

When the object is not changing its rotary(spinning) motion.

Force needed to cause equilibrium. Needed to produce no motio…

Equilibrium

The state of an object in which there is no change in its mot…

Translational Equilibrium

When an object is in equilibrium in x-y-z planes

frequency

hertz

period

wave

the number of cycles or oscillations per unit time

what is frequency measured in?

the time for once cycle

a rhythmic disturbance that transfers energy from one place t…

frequency

the number of cycles or oscillations per unit time

hertz

what is frequency measured in?

Medium

Cochlea

Eardrum

Intensity

The matter that wave travels through

Spiral structure that is filled with liquid and contains tiny…

tough membrane that vibrates as a result of energy transfer

amount of energy that flows through a certain area in a speci…

Medium

The matter that wave travels through

Cochlea

Spiral structure that is filled with liquid and contains tiny…

simple harmonic motion (SHM)

simple harmonic oscillator (SHO)

the displacement is not too great

sum of the kinetic and potential energ…

any vibrating system for which the restoring force is directl…

a vibrating system for which the restoring force is directly…

most solid materials stretch or compress according to F = kx…

The total mechanical energy E of a mass-spring system is the.…

simple harmonic motion (SHM)

any vibrating system for which the restoring force is directl…

simple harmonic oscillator (SHO)

a vibrating system for which the restoring force is directly…

work

force

W = Fd and W = Pt

scalar quantity

transfer of energy; product of force & displacement; any effo…

The amount of work accomplished depends on the magnitude of t…

the basic work equation and the equation for work in terms of…

Is work a vector quantity or a scalar quantity?

work

transfer of energy; product of force & displacement; any effo…

force

The amount of work accomplished depends on the magnitude of t…

Force

Net Force

Vector

Vector Quantity

An influence that tends to accelerate an object; a push or pu…

The combination of all the forces that act on an object.

An arrow whose length represents the magnitude of a quantity…

A quantity in physics, such as force, that has both magnitude…

Force

An influence that tends to accelerate an object; a push or pu…

Net Force

The combination of all the forces that act on an object.

Inertia

Free Fall

Terminal Velocity

Projectile Motion

The tendency of an object at rest to remain at rest or, if mo…

The motion of a body when only the force of gravity is acting…

When these two forces are equal, the object stops acceleratin…

The curved path of an object follows when thrown, launched, o…

Inertia

The tendency of an object at rest to remain at rest or, if mo…

Free Fall

The motion of a body when only the force of gravity is acting…

What is the relationship between torqu…

What is the general definition of torq…

What type of torque does radial force…

What are the units of torque?

-torque increases with the distance r from tne axis of rotati…

Torque = r (F sin theta)

-zero torque

N * m

What is the relationship between torqu…

-torque increases with the distance r from tne axis of rotati…

What is the general definition of torq…

Torque = r (F sin theta)

What is the relationship between torqu…

What is the general definition of torq…

What type of torque does radial force…

What are the units of torque?

-torque increases with the distance r from tne axis of rotati…

Torque = r (F sin theta)

-zero torque

N * m

What is the relationship between torqu…

-torque increases with the distance r from tne axis of rotati…

What is the general definition of torq…

Torque = r (F sin theta)

damping

simple harmonic motion

restoring force

Hooke's Law

the friction retards the motion of the vibrating mass, the ma…

vibration about an equilibrium position in which a restoring…

the spring force that always pushes or pulls the mass toward…

When the restoring force is proportional to the displacement…

damping

the friction retards the motion of the vibrating mass, the ma…

simple harmonic motion

vibration about an equilibrium position in which a restoring…

Light

Medium

Radiation

Electromagnetic wave

Is electromagnetic waves that travel at high speeds in a stra…

Any physical substance through which energy can be transferred

A method of energy transfer that does not require a medium th…

-Is a wave that has both electric and magnetic parts... -does no…

Light

Is electromagnetic waves that travel at high speeds in a stra…

Medium

Any physical substance through which energy can be transferred

simple harmonic motion

amplitude

period

frequency

vibration about an equilibrium position in which a restoring…

the maximum displacement from equilibrium

the time that it takes for a cimplete cycle to occur

the number of cycles per unit of time

simple harmonic motion

vibration about an equilibrium position in which a restoring…

amplitude

the maximum displacement from equilibrium

Stable Equilibrium

Unstable Equilibrium

Neutral Equilibrium

Torque

An object balanced so that any displacement raises its center…

Any object that is balanced so that any displacement lowers i…

An object is balanced so that any small movement neither nor…

This is produced by turning force and tends to produce rotati…

Stable Equilibrium

An object balanced so that any displacement raises its center…

Unstable Equilibrium

Any object that is balanced so that any displacement lowers i…

force

vector

vector quantity

scalar quantity

needed to change an object's state of motion; it is a push or…

an arrow that represents the magnitude and the direction of a…

quantity that needs both magnitude and direction (e.g. veloci…

quantity that can be described by magnitude only (e.g. weight…

force

needed to change an object's state of motion; it is a push or…

vector

an arrow that represents the magnitude and the direction of a…

scalar

magnitude

tenperature

distance... time... speed

a quality that can be completely described by a single value…

means the size or amount and always includes units of measure…

a good example of a scalar quantity

other measurements that are expressed as scalar quantities, d…

scalar

a quality that can be completely described by a single value…

magnitude

means the size or amount and always includes units of measure…

what is radioactive decay?

what does decay mean?

what occurs during radioactive decay?

what are the three most common types o…

a nuclear reaction that an atom undergoes if the atomic nucle…

to break down

the nucleus of an atom spontaneously breaks down and emits su…

alpha decay, beta decay, and gamma decay

what is radioactive decay?

a nuclear reaction that an atom undergoes if the atomic nucle…

what does decay mean?

to break down

Force

Net Force

Vector

Vector Quantity

Any influence that tends to accelerate an object.

The combination of all the forces that act on an object.

An arrow whose length represent the magnitude of a quality an…

A quantity in physics, such as force, that has both magnitude…

Force

Any influence that tends to accelerate an object.

Net Force

The combination of all the forces that act on an object.

Frame of Reference

Inertial Frame of Reference

Principle of Relativity

Ether

A coordinate system relative to which motion is described or…

A frame of reference that moves at zero or a constant velocit…

The laws of motion are the same in all inertial frames of ref…

The proposed medium through which electromagnetic waves were…

Frame of Reference

A coordinate system relative to which motion is described or…

Inertial Frame of Reference

A frame of reference that moves at zero or a constant velocit…