Contact vs Non-Contact Forces

What is a NON-CONTACT force?

• A push or pull force where the objects are not touching

• A push force where the objects are touching.

• An example would be pulling open a door.

• The only type of force that exists in the world.

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The three examples pictured are

• Non-contact Forces

• Contact Forces

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Normal force is a...

• Contact Force

• Non-Contact Force

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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What kind of force exists between the ball and the ramp?

• Noncontact force

• Contact force

Answer explanation

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What are the three NON-CONTACT forces we are studying this unit?

• Gravity, friction, air resistance

• Forces, motion, human body systems

• Friction, electricity, muscular system

• Gravity, electricity, and magnetism

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The force between the phone and the mount is a

• contact force

• non-contact force

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Each non-contact force has an area of influence surrounding it.  What is this area called?

• gravitational attraction

• influence center

• field 

• attraction 

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Static electricity is a...

• Contact Force

• Non-Contact Force

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Air resistance is a...

• Contact Force

• Non-Contact Force

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