A packing crate slides down an inclined ramp at constant velocity. Thus we can deduce that
A. a frictional force is acting on it.
B. a net downward force is acting on it.
C. it may be accelerating.
D. it is not acted on by appreciable gravitational force.
Answer:A
A packing crate slides down an inclined ramp at constant velocity. Thus we can deduce that
A. a frictional force is acting on it. B. a net downward force is acting on it. C. it may be accelerating. D. it is not acted on by appreciable gravitational force.