47) As mass increases, force must __________ to keep the same acceleration. As mass increases, acceleration ____________ when you use the same force.
48) A pbject at a rate of 10 m/s2. A force of 100 N is causing this acceleration. What is the mass of the object?
49) A truck with a mass 10,000kg is accelerating at a rate f 5m/s2. How much force used to accomblish this?
50) Which has more momentum, a 200 kg shark swimming at 5 m/s or a 250 kg dolphin swimming at 4 m/s?