Exam 4: Newtons Laws of Motion

You are standing in a moving bus,facing forward,and you suddenly fall forward as the bus comes to an immediate stop.The force acting on you that causes you to fall forward is

A dog is standing in the bed of a pickup truck.The bed is coated with ice,causing the force of friction between the dog and the truck to be zero.The truck is initially at rest,and then accelerates to the right,moving along a flat road.As seen from a stationary observer (watching the truck move to the right),the dog

A 7.0-kg object is acted on by two forces.One of the forces is 10.0 N acting toward the east.Which of the following forces is the other force if the acceleration of the object is toward the east?

A stalled car is being pushed up a hill at constant velocity by three people.The net force on the car is