Question

A truck of mass M and a car of mass m are moving along a level...

A truck of mass M and a car of mass m are moving along a level roadway in opposite directions at the same velocity. The car and the truck are involved in a head-on collision. Assume that neither driver had time to apply the brakes before or during the collision. Immediately after the collision the two vehicles are stuck to each other, and the wheels are still rolling.

Part 1

During the collision, the force on the car due to the truck points (left or right) and its magnitude is (smaller than or the same as or larger than) the magnitude of the force on the truck due to the car.

Part 2

During the collision, the acceleration of the car points (left or right) and its magnitude is (smaller than or the same as or larger than) the magnitude of the acceleration of the truck.

Part 3

During the collision, the change in momentum of the car points (left or right) and its magnitude is (smaller than or the same as or larger than) the magnitude of the change in momentum of the truck.

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