Chapter 11

The sum of all forces acting on an object.

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

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If an object is not moving the forces acting upon it are _____________

• unbalanced

• weak

• balanced

• Hulk Smash!

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To determine how a force will affect an object, what do you need to know?

• weight

• gravity

• direction

• time

What is the net force?

• 20 N 

• 0 N 

• 400 N 

• 40 N 

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Examples of forces that make something move are...

• pushes

• pulls

• both pushes and pulls

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What is the net force?

• 10 N

• 0 N

• 25 N

• 1 N

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When forces are _________ the object DOES NOT move.

• unbalanced

• balanced

• heavy

• light

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Newtons 1st law of motion states that an object at rest or moving at a constant speed in __ will continue till a force is acted on it.

• a curved path

• a straight line

• to space

• a circle

What will cause an object to move?

• Applied forces

• Balanced forces

• Unbalanced forces

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What is the unit to MEASURE force?

• Kilogram

• Meter

• Pascal

• Newton

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