Unit 5 Forces of Nature

A unit of measure for force:

• Meter

• Millimeter

• Newton

• Liters

Any push or pull on an object:

• Newton

• Force

• Gravity

• Friction

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Force that one surface exerts on another when the two surfaces rub against each other:

• Inertia

• Gravity

• Friction

• Mass

The tendency of an object to resist any change in its motion like when your body moves forward after slamming on the breaks of a car:

• Newton

• Gravity

• Friction

• Inertia

The force that pulls objects toward each other like how Earth pulls you down:

• Gravity

• Friction

• Air Resistance

• Inertia

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Forces that produce a nonzero net force, which changes an object's motion:

• Unbalanced Forces

• Balanced Forces

• Friction

• Gravity

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Equal forces acting on an object in opposite directions; the object will not move:

• Unbalanced forces

• Balanced forces

• Gravity

• Friction

What type of force is needed to cause ANY motion like a baseball bat hitting a ball?

• Balanced Forces

• Unbalanced Forces

• Gravity

• Friction

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The fluid friction experienced by falling objects through the air like leaves floating down from trees:

• Gravity

• Friction

• Air Resistance

• Inertia

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An object that is thrown like a football:

• Satellite

• Friction

• Projectile

• Inertia

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