A force can make an object...

• Start moving

• Stop moving

• Change direction

• Change speed

• All of the above

Which of the following is a contact force.

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Which of the following is a non-contact force?

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Which of the following is a non-contact force?

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A type of friction that acts between the air and the surface of an object.

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A type of friction that acts between a liquid and the surface of an object.

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What type of force moves an object further away?

What type of force brings an object closer?

What is the unit used to measure force?

• Newton

• mass

• centimeter

How does gravity affect an object?

• Pushes and object up in the air.

• Pulls an object down.

• Pulls an object towards the centre of the Earth.