Forces Vocabulary

The velocity of an object will remain constant unless a net force acts on it.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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When one object exerts a force on a second object, the second one exerts a force on the first that is equal in magnitude and opposite in direction.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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The force acting on the object due to gravity.

• Position

• Weight

• Mass

• Direction

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a push or pull on an object that may change the motion of the object

• force

• mass

• balanced force

• unbalanced force

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a force that resists motion when two surfaces are touching each other

• gravity

• friction

• air resistance

• newtons

a force that pulls all objects that have mass toward one another

• mass

• gravity

• friction

• air resistance

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the frictional force air exerts against a moving object

• friction

• gravity

• net force

• air resistance

forces on all sides are equal; net force= 0; an object’s motion will not change

• force

• net force

• balanced force

• unbalanced force

forces are not equal; net force does not equal zero; an object’s motion will change

• balanced force

• unbalanced force

• net force

• friction

Tags

NGSS.MS-PS2-2

the units used for force

• friction

• gravity

• newtons

• net force