# Study sets matching "physics rotational motion"

Study sets

Diagrams

Classes

Users

Angular Displacement

Angular Velocity

Torque

Rotational inertia

The angular displacement is defined as the angle through which…

the rate of change of angular position of a rotating body

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

is the tendency of a rotating object to remain rotating unless…

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

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

What is the formula for torque?

How much torque is produced by opening…

If the amount of torque needed to remov…

The centripetal acceleration and the ce…

torque= force x radius

5.7

0.15

towards the center

What is the formula for torque?

torque= force x radius

How much torque is produced by opening…

5.7

Advertisement

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

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…

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

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…

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

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

radians (equation)

angular displacement

angular momentum

conservation of angular momentum

Θ° (π/180°)

Θ = s/t ; the angle in radians (degrees, revolutions) through…

L = Iw , L = L ; the quantity of rotation of a body, which is…

L = L... L = Iw... L = mr²w ... Iw = Iw ... mr²w = mr²w --> mR²w = mr²W... Re…

radians (equation)

Θ° (π/180°)

angular displacement

Θ = s/t ; the angle in radians (degrees, revolutions) through…

outside horse

double

2 m/s

twice as fast

1. Which moves faster in m/s on a merry-go-round: a horse on t…

2. If a record playerʹs rotational speed is doubled, then the…

3. Suppose the circumference of a bicycle wheel is 2 meters. I…

4. Consider a string with several rocks tied along its length…

outside horse

1. Which moves faster in m/s on a merry-go-round: a horse on t…

double

2. If a record playerʹs rotational speed is doubled, then the…

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…

ceiling fan rotating angular speed

dvd spinning on rotational axis

dentist drill constant angular rotation

angular velocity and linear velocity of…

convert rpm to rad/sec, w=theta/time

convert rpm to rad/sec, alpha=wf-wi/time

convert rpm to rad/sec, alpha=(rad/sec)/time, theta f=theta i+…

w=rad/time, vt=wr

ceiling fan rotating angular speed

convert rpm to rad/sec, w=theta/time

dvd spinning on rotational axis

convert rpm to rad/sec, alpha=wf-wi/time

Angular position

Radian

Average angular velocity

Angular speed

The angle an object makes with respect to a given reference li…

The angle for which the length of the corresponding circular a…

The angular displacement divided by the time during which the…

The magnitude of the angular velocity.

Angular position

The angle an object makes with respect to a given reference li…

Radian

The angle for which the length of the corresponding circular a…

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…

Traveling a greater distance in the sam…

When is linear speed greater on a rotat…

What is tangential speed?

What is the unit for tangential speed?

a greater speed

On the outer edge.

The linear speed of something moving along a circular path.

m/s

Traveling a greater distance in the sam…

a greater speed

When is linear speed greater on a rotat…

On the outer edge.

Advertisement

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…

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