Question

1. If an object is rotating clockwise, this corresponds to a _____ angular velocity​:

a- negative

b- positive

2. The angular displacement of a rotating object is measured in

a- degrees per second

b- degrees

c- radians

3. Which factor does the torque on an object NOT depend on?

a- the angle at which the force is applied

b- the object's angular velocity
c- the magnitude of the applied force

4. A net torque applied to an object causes __________.

a- the object to rotate at a constant rate
b- a linear acceleration of the object
c- the moment of inertia of the object to change
d- the angular velocity of the object to change

5. For an extended object, the weight force can be considered to act at which point?

a- At the center of gravity of the object
b- At the center of the object
c- At end of the object closest to the ground
d- At the end of the object farthest away from the ground

6. Moment of inertia is __________.

a- the rotational equivalent of mass
b- the point at which all forces appear to act
c- the time at which inertia occurs