What does Newton's first law describe? A. The tendency of moving objects to stay in motion
OB. The attractive force between two objects due to their masses
O C. How forces balance out to zero net force
D. The change in an object's position over time

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s