U8 Force

What is a force?

• A push exerted on an object

• A push or pull exerted on an object

• A pull exerted on an object

• Nothing

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 What is the unit called that measures force?

• Isaac
• Yee
• Newton
• kilogram

What is this?

• Balance

• Meter Stick

• Newton meter

• Stopwatch

Which of the forces in this image is the smallest?

• A

• B

• D

• E

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

• unbalanced
• weak
• balanced
• Hulk Smash!

What will cause an object to speed up or slow down?

• Applied forces

• Balanced forces

• Unbalanced forces

• Tension forces

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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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A non-contact force is between

• two objects that aren't touching

• two objects that are touching

• the ground and wheels

• you and me

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Which of the following is a contact force?

• magnetic force

• friction force

• electrostatic force

• gravitational force

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

• normal reaction force

• applied force

• friction force

• weight force