A machine with a MA of 10 is used to produce an output force of 250 N. What input force is applied to this machine?

Abaseball has a mass of 0.145 kg and approaches a bat at 40.0 m/s. after it is hit, the ball leaves the bat at 50.0 m/s directly back. find the impulse of the bat on the ball. 7.25 kg*m/s 13.1 kg*m/s 5.80 kg*m/s 1.45 kg*m/s

What do you think car designers do if the damage caused by a crash test is too severe?

Why should seat belts not be mandatory quick plz