Rotational
Tangential Velocity and Rotational Velocity are the same thing.
A. True
B. False
Which is traveling at a faster rotational speed?
A. horse on the inside of the merry-go-round
B. horse on the outside of the merry-go -round
C. horse in the middle of the merry-go-round
D. they all travel the same speed
D. they all travel the same speed
How often does Earth revolve?
A. 24 hours
B. 365.25 days
C. 4 years
D. 28 days
B. 365.25 days
Tangential Velocity and Rotational Velocity are the same thing
A. True
B. False
B. False
Rotational speed unit
A. seconds /radians
B. Radians /seconds
C. meters/seconds
B. Radians /seconds
Which is traveling at a faster tangential speed?
A. horse on the inside of the merry-go-round
B. horse on the outside of the merry-go -round
C. horse in the middle of the merry-go-round
D. They travel at the same speed
B. horse on the outside of the merry-go -round
The words rotational, angular, and circular are synonyms
A. True
B. False
A. True
When referring to circular motion linear speed, it can also be called
A. Tangential Speed
B. Rotational Speed
C. Angular Momentum
D. Angular Speed
A. Tangential Speed
Rotational speed is often measured in:
A. Radians /second
B. miles per hour
C. grams/liter
D. kilometer/hour
A. Radians /second
angular acceleration is
A. How the object changes its position while it is spinning
B. how fast it is spinning /rotating
C. how fast the object feels like it is moving based on radius
D. the amount it is speeding up as it starts spinning/rotating
D. the amount it is speeding up as it starts spinning/rotating
When an object turns about an internal axis it is called:
A. Rotation
B. Revolution
C. Spin Cycle
D. Tangential
A. Rotation
The time (s) it takes to complete 1 rotation is:
A. Angular Position
B. Period
C. Rotational motion
D. Angular Velocity
B. Period
What unit do you use to measure Rotational Motion?
A. Radians
B. Meters
C. Units
D. Newtons
A. Radians
Centripetal Acceleration is an acceleration towards the center of the rotating object
A. True
B. False
A. True
How often does Earth rotate?
A. 24 hours
B. 28 days
C. 365.25 days
D. 4 years
A. 24 hours
2 people are on a Merry-go-round. Person 1 is sitting farther inward than person 2. Who has greater rotational velocity?
A. Person 1
B. Person 2
C. Neither of them
C. Neither of them
A bug is on a record by the axis, it moves 3 times further out what happens to its rotational speed?
A. Cut in thirds
B. Triples
C. Stays the same
D. increases by nine times the amount
C. Stays the same
Rotational speed is
A. How the object is changing it's position while spinning
B. How fast the object is spinning
C. How fast the object feels like it is spinning
B. How fast the object is spinning
What is tangential velocity?
A. How the object changes its position while it is spinning
B. how fast it is spinning /rotating
C. how fast the object feels like it is moving based on radius
D. the amount it is speeding up as it starts spinning/rotating
C. how fast the object feels like it is moving based on radius
What is the symbol for angular velocity?
A. ω
B. θ
C. α
D. Δ
A. ω
An object's tangential velocity
A. Is always directed TANGENT to the circular path.
B. Shows the direction the object WANTS to keep moving.
C. Is always directed in a STRAIGHT LINE path.
D. All of these are correct.
D. All of these are correct.
2 people are on a Merry-go-round. Person 1 is sitting farther inward than person 2. Who has greater tangential velocity?
A. Person 1
B. Person 2
C. Neither of them
D. Both of them
B. Person 2
What is the symbol for angular position?
A. ω
B. θ
C. α
D. Δ
B. θ
What is the symbol for angular acceleration?
A. ω
B. θ
C. α
D. Δ
C. α