Force and Motion - 2

If two balloons of the like charges are put close to each other, what will happen?

• they attract to each other

• they repel each other

• they stay at same position

• they break

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The diagram shows a ....

• magnetic force

• electromagnetic force

• electrostatic force

• electrical force

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Refer to the diagram, which of the following statement is FALSE?

• They will move towards Team A.

• The net force is 150N.

• This is a balance force.

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Is this a balance force?

• Yes

• No

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How can we reduce friction?

• apply oil

• apply lubricant

• add wheels

• polish the surface

The picture shows an apple falling from the tree. What are the forces acting on the apple?

• Magnetic force

• Gravitational force

• Air resistance

• Strain force

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What are the forces acting on the objects?

• Air resistance

• Gravitational force

• Water buoyancy

• Water resistance

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Refer to the diagram, which of the following is the correct statement about the plane?

• The plane will go higher and forward.

• The plane will go lower and slow down.

• The plane will remain at same altitude (height) and move forward.

• The plane will remain at same altitude (height) but slowing down.

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What are the disadvantages of friction?

• friction wears out a surface.

• friction helps us to grab an object

• friction creates noise and heat

• friction slows down the machine.

A car crash creates ...

• impact force

• gravitational force

• strain force

• electrostatic force

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