Centripetal force does no work on a circularly-moving object ...

[jCorn1234]

Centripetal force does no work on a circularly-moving object because
 
  A) no change in energy occurs.
  B) rotational energy transfers to kinetic energy.
  C) centripetal force has no component in the direction of motion.
  D) none of the above.

Question 2

The force responsible for a car moving steadily along a no-friction icy banked curve is due to
 
  A) centrifugal effects.
  B) the normal force at right angles to the curved surface.
  C) the radial component of the normal force.
  D) none of the above

[cam1229]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

[jCorn1234]

Thanks for the timely response, appreciate it

[Dominic]

Gracias!