# Study sets matching "physics rotational motion"

moment of inertia

angular momentum

radian

angular speed

resistance to change in rotational motion

Rotational momentum of a spinning or orbiting object, L = mvr

unit of measure for angular displacement

the number of rotations per time unit

moment of inertia

resistance to change in rotational motion

angular momentum

Rotational momentum of a spinning or orbiting object, L = mvr

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…

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.

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

Tangential speed

Rotational speed

Rotational inertia

Torque

The linear speed tangent to a curved path, such as in circular…

the number of rotations per unit of time

An object rotating about an axis teands to keep rotating about…

a turning or twisting force

Tangential speed

The linear speed tangent to a curved path, such as in circular…

Rotational speed

the number of rotations per unit of time

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…

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

Circular Motion

Tangential speed

higher

tangential speed

when an object turns about an internal axis. Two types: tangen…

distance traveled by a opint on the rotationg object divided b…

Do the point closer to the circumference have a higher or lowe…

Radial distance * Rotational speed

Circular Motion

when an object turns about an internal axis. Two types: tangen…

Tangential speed

distance traveled by a opint on the rotationg object divided b…

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…

Radian

Angular Velocity

Angular Acceleration

Linear velocity and the angular velocit…

The angle, subtended by an arc whose length is equal to the ra…

Average angular velocity is equal to the change in the angle d…

Equal to the change in angular velocity divided by the change…

How is linear velocity related to angular velocity?

Radian

The angle, subtended by an arc whose length is equal to the ra…

Angular Velocity

Average angular velocity is equal to the change in the angle d…

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 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

tangential speed

rotational speed

rotational intertia

torque

the linear speed tangent to a curved path, such as in circular…

the number of rotations or revolutions per unit of time

that property of an object that measures its resistance to any…

the product of force and lever-arm distance which tends to pro…

tangential speed

the linear speed tangent to a curved path, such as in circular…

rotational speed

the number of rotations or revolutions per unit of time

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…

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

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…

Torque

Lever arm/Effort arm

Center of Mass

Center of Gravity

The force like product that, when applied with perpendicular l…

The distance from the force of contact to the axis of rotation

Where all of the mass of an object may be considered to be con…

the point located at an object's average position of weight

Torque

The force like product that, when applied with perpendicular l…

Lever arm/Effort arm

The distance from the force of contact to the axis of rotation

Radian

Angular Displacement

Angular velocity

Agular Acceleration

1/2 Pi of a revolution; abberviated rad.

The change in the angle as the object rotates

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

the change in angular velocity dived by the time needed to mak…

Radian

1/2 Pi of a revolution; abberviated rad.

Angular Displacement

The change in the angle as the object rotates

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.…