Movement Answers
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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 lever2
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Matter is __________.
A
the amount of energy contained within an objectB
a measure of the force gravity exerts on objectsC
something that has mass and occupies spaceD
a measure of an object's inertial force3
What lever has resistance between the axis (fulcrum) and the force (effort)?
A
firstB
secondC
thirdD
fourth4
The ankle is a third class lever.
A
TB
F5
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 EarthB
on the Moon's surfaceC
on the Earth's highest mountainD
in a zero gravity environment6
The first class lever is the most common lever in the human body.
A
TB
F7
Which of the following is NOT a component of a lever?
A
effortB
tensionC
fulcrumD
load8
Swinging a tennis racket against a ball is an example of a third class lever.
A
TB
F9
According to Newton's second law of motion, force is equal to mass times acceleration.
A
TB
F10
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.Did you find these answers helpful?
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