Grade 4 - Force & the its types

Force can

• change only direction

• change only shape

• change only speed

• all of the above

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When you rub your hand heat energy is generated because of

• magnetic force

• muscular force

• friction force

• gravitational force

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The illustration shows what happened when a balloon touched a girl's hair.Which type of force caused the hair to cling (stick) to the balloon?

• magnetic force

• gravitational force

• frictional force

• electrostatic force

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A rolling ball will slow down until it finally stops. What force slows down and ultimately stops the ball?

• gravity

• friction

• solar power

• speed

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Which is the type of force being applied in the given picture?

• Elastic force

• Gravitational force

• Magnetic force

• Muscular force

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Which boy do you think will slide faster, A or B?

• A

• B

• Both will slide at the same speed.

• Can't say

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Which type of of force do you see in the image?

• muscular force

• mechanical force

• electrostatic force

• elastic force

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Which force keeps the objects stuck on the refrigerator?

• electrical force

• frictional force

• gravitational force

• magnetic force

Name the forces used in the image.

• Frictional force and Elastic force

• Muscular force and Elastic force

• Muscular force and Frictional force

• Mechanical force and Elastic force

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Why do football players wear special kind of shoes with spikes or studs?

• They make the player look smart.

• Just because it is a rule.

• The studs prevent the player from slipping on the grass.

• I don't know.