Question

An object's acceleration is never

A. directly proportional to the net force.
B. inversely proportional to the object's mass
C. in the same direction as the net force.
D. in the opposite direction as the net force.

Answer 1

An object's acceleration is always in the direction of the net force.

'A', 'B', and 'C' are always features of acceleration.

'D' is the one that's 'never'.