Which of the following has the largest m/mentum? A. The total building of Campbell High School, including the trailers and construction areas.
B. A dog running down the street.
c. A tightrope walker crossing Niagara Falls.
D. A pickup truck traveling down the highway.
E. A semi-truck parked at a gas station.

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.