A truck travels at a constant speed of 45 m/s. How much work did the truck engine do during a 2 hour period if it supplied a force of 25 kN of force.

Which class of lever is a baseball bat? what are the parts of a baseball bat's lever class? describe each one. enter your answer in the space provided.(this question you write your own answer.)i couldn't find the right category, so sorry if this doesn't match.