In old cartoons, sometimes they would drop a piano on a toon’s head. If a piano weighs 215.5 kg and us falling at a rate of 9.8 m/s^2, what force works it hit the ground with

Use the table to answer question 22 23 and 24.

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

What is the measure of a change in an objects velocity?