1 The __________ measures the speed during an entire trip.A) acceleration B) instantaneous speed C) overall speed D) average speed 2 When something slows, its acceleration is __________.A) negative B) positive C) instantaneous D) constant 3 When a negative acceleration is graphed, the line __________.A) slopes upward B) remains constant C) goes to zero D) slopes downward 4 When something accelerates then stops accelerating, what happens to the object?A) goes faster B) stops completely C) continues to move at a constant velocity D) slows 5 During a(n) __________ collision, objects bounce off each other.A) explosive B) solid C) elastic D) inelastic 6 On an acceleration graph in which the line is level, the acceleration is __________.A) changing B) zero C) negative D) positive 7 A golf club hitting a ball is an example of an __________ collision.A) energetic B) inelastic C) explosive D) elastic 8 Displacement measures the _________ between the starting and stopping points.A) distance and direction B) direction and speed C) mass and volume D) distance and speed 9 At the beginning of a track race, the instantaneous speed of all runners is __________.A) the average speed B) unable to be measured C) different D) 0 m/s 10 __________ is distance divided by time.A) Acceleration B) Velocity C) Displacement D) Speed 11 The mathematical equation for momentum is __________.A) momentum = velocity/mass B) momentum = mass/velocity C) momentum = mass x velocity D) momentum = weight x speed 12 In an inelastic collision between a moving object and a stationary object, the final velocity of both objects is __________.A) less than the original velocity of the moving object B) more than the original velocity of the moving object C) the same as the original velocity of the moving object D) zero 13 What is the term for a change in velocity?A) average speed B) acceleration C) speed D) instantaneous speed 14 To find acceleration, you first subtract __________ than divide by time.A) initial speed from final speed B) velocity from distance C) final time from initial time D) final speed from initial speed 15 An object that has the same speed but changes direction is __________.A) slowing down B) displacing C) speeding D) accelerating 16 During any collision, some energy is lost due to __________.A) conservation B) friction C) momentum D) elasticity 17 What is the tendency for an object to resist change in its motion?A) matter B) momentum C) mass D) inertia 18 When you graph speed, time is on the __________.A) x-axis B) vertical axis C) z-axis D) y-axis 19 An object that travels 100 m in 20 s has what speed?A) 2 000 m/s B) 50 m/s C) 5 m/s D) 200 m/s 20 When a car goes around a curve at 20 mph, the __________ changes.A) velocity B) speed C) instantaneous speed D) average speed