Forces and Motion

What is the name for a push or pull?

• A movement
• A force
• Speed
• Density

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What Unit do we Measure Force in?

• Newtons

• Kilograms

• Grams

• Force

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A balanced force has 

• no net force
• some net force
• a wee bit of net force
• a lot of net force

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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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A student is pushing a book with a force of 10 Newtons to the left. Another student is pushing the book to the right. How many Newtons of force is the second student pushing with if the book is not moving?

• 10 Newtons

• 5 Newtons

• 0 Newtons

• 1 Newton

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NGSS.MS-PS2-1

Balanced or Unbalanced?

• Balanced 
• Unbalanced

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What should you do to make a toy car roll faster down a ramp?

• Push it with more force

• Push it with less force

• Remove the force of gravity

• Use magnetism to push it down

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NGSS.MS-PS2-2

What happens in a game of tug-a-war when both teams pull the rope with equal force and in opposite directions?

• The rope does not move

• Both teams move to the right

• Both teams move to the left

• Both teams fall down

Tags

NGSS.MS-PS2-1

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The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

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What happens when two forces act in the same direction?

• They cancel each other out.
• The stronger one prevails.
• Their strengths are added.
• Their sum divided by the two is the total force.

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