Worksheetsboomerang
Total questions: 10
Worksheet time: 5mins
What is the SI unit of angular displacement, θ ?
radian
degree
revolution
Which of these statements is TRUE for uniform circular motion?
The radius of circular motion is constantly changing.
The direction of linear velocity is constantly changing.
The magnitude of linear velocity is constantly changing.
Centripetal acceleration is always directed
in the opposite direction of the object’s motion.
in the direction of the object’s motion.
towards the center of the circular path.
SI unit of instantaneous angular acceleration can be written as
rad s⁻²
rad s⁻¹
rad
Instantaneous angular velocity is defined as
the rate of change of angular displacement at a particular time.
the rate of change of angular acceleration.
the rate of change of angular acceleration at a particular time.
How many radians are there in one complete revolution?
4π radians
2π radians
π radians
A boy and a girl are riding on a merry-go-round which is turning at a constant rate. The boy is near the outer edge and the girl is closer to the center. Who has the greater linear speed?
Both have zero linear speed.
The girl
The boy
“The product of force and distance measured perpendicularly from the action point of the force to the rotation axis.” The statement refers to the definition of
angular velocity.
torque.
angular acceleration.
Which of the following is the SI unit for torque?
N m
N m⁻¹
N m⁻2
10. Which position is the easiest way to apply a constant perpendicular force, F to open a heavy door?
At the middle point of the door.
At the edge of the door far from the hinge.
At the hinge of the door.
