Movement Answers

What is BEST to say about a runner who is running at a constant velocity?A.Their acceleration is positive.B.Their acceleration is negative.C.Their acceleration is zero.D.Their acceleration cannot be determined.

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

What distinguishes the three different classes of levers found in the human body?A.where they are located in the bodyB.how useful they are for performing workC.where the components of the lever are locatedD.how many moving parts the lever has

What is the difference between velocity and acceleration?A.Velocity describes an object's position and acceleration describes how fast it moves.B.Velocity is how fast an object moves and acceleration is the rate of change in velocity.C.Velocity is used to determine the magnitude of force acting on an object, and acceleration isn't.D.Velocity is a time-dependent property of an object, while acceleration is not.

Second and third class levers both have __________.A.the fulcrum between the effort and loadB.effort applied in the same placeC.two loads and fulcrumsD.the fulcrum at one end of the lever

The elbow is considered a third class lever because __________.A.the effort is applied further from the fulcrum than the loadB.the effort is applied closer to the fulcrum than the loadC.the fulcrum is in the center of the leverD.the elbow is used to lift objects

What lever has resistance between the axis (fulcrum) and the force (effort)? A.firstB.secondC.third D.fourth

Force is based upon both mass and acceleration.

Matter is __________. A. the amount of energy contained within an object B. a measure of the force gravity exerts on objects C. something that has mass and occupies space D. a measure of an object's inertial force Please select the best answer from the choices provided.

The ankle is a third class lever.