#### Study sets matching "physics rotational motion"

#### Study sets matching "physics rotational motion"

Axis

Rotation

Revolution

Linear Speed

The straight which rotation takes place.

When an object turns around an internal axis.

When an object turns around an external axis

The speed of an object along a linear path.

Axis

The straight which rotation takes place.

Rotation

When an object turns around an internal axis.

3.49 rad/s

3.50 m/s

the first force (at the midpoint)

63°

Express the angular speed of an old 33 1/3 rpm LP in rad/s.

A child is riding a merry-go-round that is turning at 7.18 rpm…

Two forces produce equal torques on a door about the door hing…

Through how many degrees does a 33 rpm turntable rotate in

3.49 rad/s

Express the angular speed of an old 33 1/3 rpm LP in rad/s.

3.50 m/s

A child is riding a merry-go-round that is turning at 7.18 rpm…

The resistance an object has to change…

Inertia can be thought of as a measure…

Newton's first law does not apply to ro…

According to the law of inertia, rotati…

rotational inertia

"laziness"

FALSE

TRUE

The resistance an object has to change…

rotational inertia

Inertia can be thought of as a measure…

"laziness"

Translational Motion

Rotational Motion

Center of Mass

Angular Displacement

movement in which an object moves from one point to another

the rotation of a body around its center of mass

the point about which all of the matter of an object is evenly…

the angle over which the rotation occurs; distance covered

Translational Motion

movement in which an object moves from one point to another

Rotational Motion

the rotation of a body around its center of mass

Angular Position

"Find angular displacement ...."

"Find angular velocity..."

Units of angular displacement?

Denoted theta (θ)

Δθ = θfinal - θinitial... "Delta theta equals theta final minus t…

ω = Δθ / Δt.... "Omega equals delta theta over delta t."

rad/s... Radians over seconds.

Angular Position

Denoted theta (θ)

"Find angular displacement ...."

Δθ = θfinal - θinitial... "Delta theta equals theta final minus t…

Tangential speed

Rotational Speed

Rotational Inertia

Torque

linear tangent to a curved path such as in circular motion

number of rotation or revolution per unit of time, often measu…

Property of an object that measure its resistance to at change…

Produce of force and lever arm distance which tens to produce…

Tangential speed

linear tangent to a curved path such as in circular motion

Rotational Speed

number of rotation or revolution per unit of time, often measu…

Angular Displacement

Angular Velocity

Angular Acceleration

Torque

The angular displacement is defined as the angle through which…

the rate of change of angular position of a rotating body

is a quantitative expression of the change in angular velocity…

is the twisting force that tends to cause rotation. The point…

Angular Displacement

The angular displacement is defined as the angle through which…

Angular Velocity

the rate of change of angular position of a rotating body

Angular Displacement

Angular Acceleration

Rotational Motion

Radian

angle through which a point, line, or body is rotated in a spe…

Time rate of change in angular speed , expressed in rad/s squa…

Motion of a body that spins about an axis

An angle whose arc length = radius, which is approx. = 57.3 de…

Angular Displacement

angle through which a point, line, or body is rotated in a spe…

Angular Acceleration

Time rate of change in angular speed , expressed in rad/s squa…

Linear speed

Centripetal force

Torque

Centripetal acceleration

is measured in units per unit time. v=rω

the inwards force of a spinning circular motion

a twisting force that causes rotation

the inwards force of a spinning circular motion. ac=v^2/r

Linear speed

is measured in units per unit time. v=rω

Centripetal force

the inwards force of a spinning circular motion

The resistance an object has to change…

Inertia can be thought of as a measure…

Newton's first law does not apply to ro…

According to the law of inertia, rotati…

rotational inertia

"laziness"

FALSE

TRUE

The resistance an object has to change…

rotational inertia

Inertia can be thought of as a measure…

"laziness"

The tendency of a force to cause rotati…

What produces the greatest torque?

To kick a football so that it doesn't r…

Why does the Leaning Tower of Pisa not…

Torque

Large force, long lever arm

In line with its center of mass.

It does not topple because it center of gravity is above (with…

The tendency of a force to cause rotati…

Torque

What produces the greatest torque?

Large force, long lever arm

Linear distance/ arc length

Angular distance

Radius & Moment arm

1. Formula to find angular distance... 2.…

Symbol: l (cursive l) ... Units: meters

Symbol: θ (theta)... Units: radians

Symbol: r... Units: meters... *it is very important to remember whe…

1. θ = l/r

**(r is radius)**... 2. l = θr**(r is radius)**Linear distance/ arc length

Symbol: l (cursive l) ... Units: meters

Angular distance

Symbol: θ (theta)... Units: radians

What is the difference between radians…

Why are radians preferred in rotational…

Why are degrees preferred in torque?

How is moment of inertia similar to and…

The degree was invented by Babylonians. Their calendar had 360…

Radians can be converted to distance around circle by multiply…

Torque is to dtermine the force tangent to the rotation. The a…

Similar: moment of Inertia represents mass in rotational motio…

What is the difference between radians…

The degree was invented by Babylonians. Their calendar had 360…

Why are radians preferred in rotational…

Radians can be converted to distance around circle by multiply…

none of these

remains unchanged

gravity is universal

two

a satellite in an elliptical orbit travels at constant

a rock is thrown upward at 30 degrees with respect to the hori…

newton discovered that

put a pipe over the end of a wrench when trying to turn a stub…

none of these

a satellite in an elliptical orbit travels at constant

remains unchanged

a rock is thrown upward at 30 degrees with respect to the hori…

Translational Motion

Rotational Motion

Angular Position

Angular displacement

motion along a straight line. ex: box sliding down an incline,…

spinning motion about an axis. ex: wheels, gears, motors, plan…

the angle that a point, line, or body forms with respect to so…

the angle through which a point, line, or body is rotated in a…

Translational Motion

motion along a straight line. ex: box sliding down an incline,…

Rotational Motion

spinning motion about an axis. ex: wheels, gears, motors, plan…

𝚯 [rad]

w [rad/s]

Angular Acceleration

Torque

i. Angular displacement... ii. the angle through which an object…

i. Angular velocity... ii. the rate of change in angular displace…

...

...

𝚯 [rad]

i. Angular displacement... ii. the angle through which an object…

w [rad/s]

i. Angular velocity... ii. the rate of change in angular displace…

Pure Translational Motion

Pure Rotational Motion (on a fixed axis)

Rolling Without Slipping

Torque

All the particles that make up a rigid object have the same in…

All the particles that make up a rigid object have the same in…

νCM = rω... (s = rθ or aCM = rα)

The rotational analogue of force, is the product of a force an…

Pure Translational Motion

All the particles that make up a rigid object have the same in…

Pure Rotational Motion (on a fixed axis)

All the particles that make up a rigid object have the same in…

Angular acceleration

Angular displacement

Angular velocity

Center of mass

the change in angular velocity divided by the time needed to m…

the change in the angle as an object rotates. We will express…

the angular displacement of an object divided by the time need…

the point on the object that moves in the same way that a poin…

Angular acceleration

the change in angular velocity divided by the time needed to m…

Angular displacement

the change in the angle as an object rotates. We will express…

Angular Displacement

Angular Velocity

Angular Acceleration

Torque

1.the angle through which an object moves on a circular path.…

1.the rate of change of angular position of a rotating body... 2.…

1. the rate of change of angular velocity.... 2. change in angula…

1. a twisting force that tends to cause rotation.... 2. a force t…

Angular Displacement

1.the angle through which an object moves on a circular path.…

Angular Velocity

1.the rate of change of angular position of a rotating body... 2.…

extended objects

torque

lever arm

center of mass

an object that has a definite, finite size and shape

the ability of a force to rotate an object around some axis

the perpendicular distance from the axis of rotation to a line…

the point at which all the mass of the body can be considered…

extended objects

an object that has a definite, finite size and shape

torque

the ability of a force to rotate an object around some axis