Forces

What would happen to your weight if you traveled to a smaller planet?

• nothing

• it would increase

• it would decrease

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"For every action, there is an equal and opposite reaction."

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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What type of friction is not moving?

• static

• sliding

• fluid

• rolling

How can friction be reduced?

• reduce the force acting between the 2 surfaces

• reduce the roughness of the 2 surfaces coming in contact

• use wax, grease or oil

• all of the above are ways of reducing friction

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NGSS.MS-PS2-1

What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

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Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

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If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

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What is the unit to MEASURE force?

• Kilogram

• Meter

• Pascal

• Newton

The sum of all forces acting on an object.

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

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An object at rest will _______ if no outside forces are applied.

• Stay at rest

• Increase Velocity

• Decrease Mass

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