4.2 Newton's Laws

 A push or a pull on an object

• friction
• force
• gravity
• kilogram

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An object and rest will stay at rest and an object in motion will stay in motion unless acted on by a force, is which one of Newton's Laws of Motion?

• 4th Law of Motion
• 1st Law of Motion
• 3rd Law of Motion
• 2nd Law of Motion

8 N to the left , and 4 N to the right. Find the net force. Is this balanced?

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

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According to Newton's second law, if you increase the force applied to an object :

• it accelerates more
• it doesn't move
• you get more inertia
• it decelerates

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For every action, thereʼs an equal and opposite reaction. *Action-Reaction*

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• force

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Which one is balanced?

• top
• bottom
• both
• neither

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What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

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A 20 kg bike accelerates at 10 m/s². What was the force?

• 30 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

In the picture, the vehicle will move because of...

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 9th Law

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The tendency of an object to resist a change in motion is called ________________.

• inertia

• force

• friction

• drag force