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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.

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

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

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…

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

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

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

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

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…

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…

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.

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…

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…

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

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?

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

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

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…

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…

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

In simple harmonic motion ____________…

A mass-spring system vibrates with sim…

What is Hooke's Law?

What is frequency?

restoring force is proportional to displacement.

Hooke's Law.

Hooke's law states that restoring force is directly proportio…

The number of cycles or vibrations per unit of time

In simple harmonic motion ____________…

restoring force is proportional to displacement.

A mass-spring system vibrates with sim…

Hooke's Law.

Difference between vibration and oscil…

Waves in general

Longitudinal Waves

Transverse waves

VIBRATION: object moves back and forth, more mechanical motio…

are moving oscillation, carry ENERGY from one place to anothe…

PARTICLES AND WAVES move left and right (ex= sound waves, str…

particles move TRANSVERSE (perpendicular) to the wave... so, par…

Difference between vibration and oscil…

VIBRATION: object moves back and forth, more mechanical motio…

Waves in general

are moving oscillation, carry ENERGY from one place to anothe…

Electricity

Static electricity

Electric current

Ampere

Flow of electrons

Buildup of electrical charges

Movement of electrons from one place to another

The unit used to describe how much electric current flows thr…

Electricity

Flow of electrons

Static electricity

Buildup of electrical charges

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)

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

motion

frame of reference

displacement

speed

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

a system for specifying the precise location of objects in sp…

the change in position of an object

the distance traveled divided by the time interval which the…

motion

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

frame of reference

a system for specifying the precise location of objects in sp…

frame of reference

relative motion

distance

displacement

a system of objects that are not moving relative to each othe…

movement in relation to a frame of reference

length of a path between two points, measured in meters

describes the direction from the starting point as well as th…

frame of reference

a system of objects that are not moving relative to each othe…

relative motion

movement in relation to a frame of reference

Scientific Method

FINER Method

Independent Variable

Dependent Variable

a systemized way of evaluating data and investigating new hyp…

a way to determine the usefulness of a research question on t…

the manipulated variable in an experiment that affects measur…

the measured or observed variable in the experiment that is a…

Scientific Method

a systemized way of evaluating data and investigating new hyp…

FINER Method

a way to determine the usefulness of a research question on t…

Frame of reference

Relative Motion

Distance

Displacement

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

Movement in relation to the frame of motion.

The length of the path between two points.

The direction from the starting point and the length of a str…

Frame of reference

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

Relative Motion

Movement in relation to the frame of motion.

frame of reference

relative motion

distance

vector

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

Movement in relation to a frame of reference.

The length of a path between two points/how far an object mov…

A quantity that has magnitude and direction.

frame of reference

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

relative motion

Movement in relation to a frame of reference.

magnet

magnetic pole

magnetic dipole

magnetic field

any object that possesses or can generate a magnetic field

one of two areas of concentrated magnetic field lines on a ma…

any object or particle with magnetic properties, i.e. having…

the region of influence surrounding a magnet, where it exerts…

magnet

any object that possesses or can generate a magnetic field

magnetic pole

one of two areas of concentrated magnetic field lines on a ma…

Felastic = -kx

spring force

because force and displacement are in…

the strength of the spring

equation for Hooke's Law

the force restoring a spring to its equilibrium position

Why is a minus sign need to the equation for Hooke's law?

What does the spring constant measure?

Felastic = -kx

equation for Hooke's Law

spring force

the force restoring a spring to its equilibrium position

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

prime factors

mAs, kVp, and distance

quantity/quality

x-ray quantity

are principal factors (3) that affect x-ray emission

name the three prime factors

the x-ray beam can be described in terms of both its .. and i…

is a measure of the number of x-ray photons in the useful bea…

prime factors

are principal factors (3) that affect x-ray emission

mAs, kVp, and distance

name the three prime factors

Periodic

Opposite

Zero

Maximum

Repeated motion is considered...

The direction of the force acting on the mass (in a mass-spri…

Spring force is ____ at equilibrium

At equilibrium, speed is at a m_____

Periodic

Repeated motion is considered...

Opposite

The direction of the force acting on the mass (in a mass-spri…

quantum physics (main takeaways)

Einstein's equation

electron waves

why is there quantized energy

recongition that there is less difference b/w waves and parti…

E = hf (energy-> joules, h -> plancks constant frequency -> h…

electron waves oscillate with an extremely high frequency whi…

if the electron is orbiting the nucleus, the only possible or…

quantum physics (main takeaways)

recongition that there is less difference b/w waves and parti…

Einstein's equation

E = hf (energy-> joules, h -> plancks constant frequency -> h…

Harmonic Motion

Equilibrium

Maximum Displacement

Hooke's Law

repeated (periodic) motion over the same path... ex. pendulum sw…

x=o... v=vmax... F=0... p=mv

x=xmax... v=0... F=Fmax... p=0

Felastic = -kx... "-" because its direction opposes the displace…

Harmonic Motion

repeated (periodic) motion over the same path... ex. pendulum sw…

Equilibrium

x=o... v=vmax... F=0... p=mv

Frame of reference

Displacement

Relative motion

Distance

stationary objects that you use to determine if something has…

straight line distance between 2 points

a change in position, compared to something else

is the length of a path between two points

Frame of reference

stationary objects that you use to determine if something has…

Displacement

straight line distance between 2 points

Vibration/Oscillation

Simple Harmonic Motion

F=-kx

Sinusoidal

The motion of an object regularly repeats itself over the sam…

An object goes under this if the restoring force is proportio…

Force constant k is the reatio of restoring force to displacm…

The displacement of SHM as a function of time follows a sine…

Vibration/Oscillation

The motion of an object regularly repeats itself over the sam…

Simple Harmonic Motion

An object goes under this if the restoring force is proportio…

rotational kinetic energy

potential energy

gravitational potential energy

reference level

which is energy due to rotational motion

energy that is stored due to interactions between objects

stored energy due to gravity

the position where GPE is defined to be zero

rotational kinetic energy

which is energy due to rotational motion

potential energy

energy that is stored due to interactions between objects

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…

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.