Introduction To Physical Science

Chapter 10: Motion and Momentum

Motion and Momentum

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