A block of mass M is sliding down an inclined plane and is

Question

accelerating. Which of the following statements are true?
Choices: True, False.
A. The frictional force must be less than the component of
Mg down the plane
B. The normal force of the plane is greater than the weight
of the block
C. If the block's mass were halved, its acceleration would
not change
D. The surface must be frictionless because the block is
accelerating
E. The acceleration of the block must be less than g

Answer 1

I will be happy to critique your thinking.

Answer 2

A. True
B. False
C. True
D. False
E. True

Answer 3

All your answers are correct. Good job!

Answer 4

Thanks