Force & Motion Vocab

Magnetism

• units used to measure force

• is the attractive or repulsive force exerted by magnetic materials

• 2 forces not equal

• total of all forces

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Which of the following is a unit of force?

• Joule

• Newton

• Watt

• Meter per second

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If two forces act in opposite directions on an object and are not equal in magnitude, the forces are:

• Balanced

• Unbalanced

• Canceling each other out

• Adding up

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Force is a -

• push or pull

• only a push

• only a pull

• none of the above

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2 forces acting on an object are equal in strength and opposite in direction

• Gravity

• Newtons 3rd Law

• Balanced Force

• Unbalanced

are exerted when objects are touching each other

• Gravity

• Contact Forces

• Non-contact forces

• Net force

Friction is

• a contact force that 2 surfaces exert on each other when they push or rub against each other

• are exerted at a distance and do not require objects to be touching

• a non-contact force that pulls objects with mass toward each other

Exert means...

Select 2 answers

• take away

• apply

• floating

• use

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A law that states for every action force, there is an equal but opposite reaction force

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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the combination (total) of all forces acting on the object

• Gravity

• Normal Force

• Contact Force

• Net Force

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