Movement

When the force of an object increases, so does its _______

• acceleration

• velocity

• mass

• inertia

What distinguishes first class levers from both second and third class levers?

• The fulcrum is between the load and effort

• There is a fulcrum on both sides of the load

• Greater effort is required to move the load.

• The first class lever is no found in the human body.

Which of the following requires the action of the first class lever in the body?

• Jumping

• Push-ups

• Waving

• Nodding

If two runners take the same amount of time to run a mile, they have the same_____

• acceleration

• force

• mass

• velocity

Force is based upon both mass and acceleration.

• True

• False

According to Newton's 2nd law of motion, force is equal to mass times acceleration.

• True

• False

The load is the pivot point of a lever

• True

• False

The first class lever is the most common lever in the human body.

• True

• False

The ankle is a third class lever.

• True

• False

Swinging a tennis racket against a ball is an example of a third class lever.

• True

• False