Chapter 2 Motion and Forces Review Part 2

Which of the following is an example of rolling friction?

• your shoes on a sidewalk as you walk

• bike tires on the road as you ride

• a boat on the water as it sails

• two hands rubbing together

Average speed is _____.

• equivalent to velocity

• the rate at which an object is moving at a given instant

• the rate at which a slope changes

• the total distance traveled divided by the total time

If you know the distance an object has traveled in a certain amount of time, you can determine ___.

• the size of the object

• the speed of the object

• the location of the object

• the acceleration of the object

It is rare for any motion to ___.

• stay the same for very long

• change quickly

• increase in velocity

• decrease in speed

The tendency of an object to resist change in its motion is known as _____.

• mass

• inertia

• force

• balance

According to Newton's second law of motion, ________ depends on an objects mass and the net force acting on the object.

• velocity

• momentum

• acceleration

• speed

Newton's third law of motion states that for every action there is an equal but opposite ______.

• reaction

• displacement

• motion

• time

_______ is the rate at which an object is moving at a given instant.

• constant speed

• average speed

• instantaneous speed

• acceleration

A person traveling in a car that stops suddenly keeps moving forward due to ____.

• motion

• inertia

• velocity

• time

A (an) _____ is an object that is thrown

• force

• gravity

• motion

• projectile