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State Newton's 1st Law of Motion.
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What is the definition of the following term?

Fulcrum

A)the support or point on which a lever turns
B)to change or weaken
C)the comparison of the input and output values of a machine
D)to change the direction of
E)a device which makes work easier
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What is the definition of the following term?

Inertia

A)a device that limits movement, such as a seat belt
B)resistance to motion caused by surfaces of objects
C)change of speed or direction along a vector.
D)the tendency of matter at rest to stay at rest, and matter in motion to stay in motion unless acted upon by an outside force
E)not being offset by something else; not part of a balanced set
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Newton's 1st Law of Motion states that an object at rest will remain at rest, and an object in motion will remain in motion with a constant velocity (which can be zero) and in a straight line, unless acted upon by an external force.
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A) the support or point on which a lever turns
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D) the tendency of matter at rest to stay at rest, and matter in motion to stay in motion unless acted upon by an outside force.