# data[].attributes.body
The axle is the fulcrum the string pulls and transfers the energy from the mousetrap to the axle. The spinning axle transfers that energy into the wheels. When at rest we would wind up the string around the axle, the axle and the mousetrap had potential energy. When the mousetrap was set off the potential energy was transformed into kinetic.

# data[].attributes.body
The car has a low mass and when launched its velocity is high. The car has a high momentum. When the car is slowing down the and velocity gets cut in half the momentum gets cut in half, the impulse changes with the momentum.

# data[].attributes.body
When the mousetrap pull the string in one direction it propels the car in the direction because there is an opposite and equal reaction. The axle is pulled with the string and the back wheel are moved forwards. The force and a weigh of the wheels propel the car forwards. The reaction pair is the mousetrap pulling on the axle, the axle pulling on the mousetrap

# data[].attributes.body
The acceleration of the car depends on the mousetrap, if the mouse trap and the string pulling the axle is directly proportional to the acceleration.The weight of the wheels and the car are inversely proportion.

# data[].attributes.body
The car will stay in motion unless it is acted on by a force. The car will stay at rest unless a force (the mousetrap) moves it