In order to be considered work, the components that must be present are
a force and a movement in the same direction as the force.
an action which causes movement and an opposite reaction.
an action which causes no movement or reaction.
a force and a movement in the opposite direction of the force.

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)