Movement Answers

The ankle is a third class lever.

What distinguishes mass from weight?A.Mass is a measure of the amount of matter in an object, while weight is a measure of the force of gravity on the object.B.Weight is a measure of the amount of matter in an object, while mass is a measure of the force of gravity on the object.C.Mass is a measure of an object's inertial force, and weight is the force exerted by that object on other objects.D.Mass and weight are synonyms and ultimately describe the same principle.

A balance uses small metal weights of known mass to determine the mass of a substance. Where would a balance NOT function correctly? A. in a vacuum on Earth B. on the Moon's surface C. on the Earth's highest mountain D. in a zero gravity environment Please select the best answer from the choices provided.

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 load is the pivot point of a lever.

Second and third class levers are differentiated by __________.A.the location of the fulcrumB.the location of the loadC.the presence of multiple loadsD.the type of fulcrum present

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