NSO Level 1- Science Olympiad (SOF) Class 8: Questions 797 - 801 of 1076

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Question number: 797

» Friction

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MCQ▾

Question

In the figure the friction experienced on the wheels is called

Image of Rolling friction

Image of Rolling Friction

Choices

Choice (4)Response

a.

Rolling friction

b.

Static friction

c.

Sliding friction

d.

None of the above

Question number: 798

» Friction

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MCQ▾

Question

It is easy to use a crowbar to move a heavy log than to drag it by tying with a rope. The explanation of this statement is

Choices

Choice (4)Response

a.

Static friction is greater than sliding friction

b.

Static friction is less than rolling friction

c.

Sliding friction is greater than rolling friction

d.

Question does not provide sufficient data or is vague

Question number: 799

» Force and Pressure

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MCQ▾

Question

Every object in the universe attracts every other object with a force. This force is called

Choices

Choice (4)Response

a.

Universal gravitation

b.

Magnetic force

c.

Earths gravitation

d.

Frictional force

Question number: 800

» Force and Pressure

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MCQ▾

Question

Identify the type of force applied in these case:

The force applied by an obstacle on the path of a moving body is called

Choices

Choice (4)Response

a.

Gravitation

b.

Contact force

c.

Friction

d.

Question does not provide sufficient data or is vague

Question number: 801

» Force and Pressure

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MCQ▾

Question

In the given figures, the effect of force is

Image shown the effect of force fig 1

Image Shown the Effect of Force Fig 1

Image shown the effect of force fig 2

Image Shown the Effect of Force Fig 2

Choices

Choice (4)Response

a.

Change direction

b.

Change shape

c.

Start motion

d.

Change speed

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