Balanced and Unbalanced Forces Newton Laws

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box?

• 18N left

• 18N right

• 2N right

• 2N left

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NGSS.HS-PS2-1

A cat sitting on couch, a pencil on desk and a car at rest are all example of..

• Balanced Force

• Unbalanced Force

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A car speeding up, a dog slowing down and person turning around the block are examples of..

• Balanced Forces

• Unbalanced Forces

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NGSS.MS-PS2-2

What is Newton's First Law known as? The Law of

• Friction

• Mass

• Inertia

• Gravity

Which type of force(s) will cause a change in an object's motion?

• gravity

• zero net force

• balanced forces

• unbalanced forces

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NGSS.MS-PS2-2

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What is Newton's First Law

• F=ma

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion. 

• Friction 

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar

• Equal and opposite

• Equal and different

• Greater and opposite

Tags

NGSS.MS-PS2-1

This equation goes with which law?

• Newton's first law of motion

• Newton's second law of motion

• Newton's third law of motion

• None of these

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NGSS.MS-PS2-2

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

• first

• second

• third 

• fourth

A person is pushed forward into their seat belt when a car stops.  Which law is this?

• 1st

•  2nd

• 2 and 3

• 3rd