Exploring Contact and Non-Contact Forces

What is a force in general terms?

• A form of matter

• A type of energy

• A push, pull, or twist

• A state of rest

Tags

NGSS.MS-PS2-1

Which of the following is NOT a contact force?

• Friction

• Gravity

• Normal force

• Tension

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is the normal force?

• A force perpendicular to the surface

• A force parallel to the surface

• A force that stretches objects

• A force that compresses objects

Which of the following is an example of a contact force?

• Magnetism

• Air resistance

• Electrostatic force

• Gravity

What is a non-contact force?

• A force that requires physical touch

• A force that acts without physical contact

• A force that only acts on liquids

• A force that only acts on gases

Tags

NGSS.MS-PS2-5

Which of the following is an example of a non-contact force?

• Friction

• Tension

• Normal force

• Magnetism

Tags

NGSS.MS-PS2-5

What causes an object to fall towards the Earth?

• Gravity

• Friction

• Magnetism

• Tension

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is the effect of rubbing a balloon on your hair?

• It creates a magnetic field

• It generates a gravitational pull

• It produces static electricity

• It causes air resistance

Tags

NGSS.MS-PS2-5

Which force is responsible for the attraction between a magnet and metal objects?

• Gravity

• Friction

• Magnetism

• Electrostatic force

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the main difference between contact and non-contact forces?

• Both act at a distance

• Contact forces require touch, non-contact forces act at a distance

• Both require physical touch

• Contact forces act at a distance, non-contact forces require touch

Tags

NGSS.MS-PS2-5