NSO Level 1- Science Olympiad (SOF) Class 8: Questions 793 - 798 of 1076

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Question number: 793

» Force and Pressure

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MCQ▾

Question

The effect of force is experienced only by contact with each other. This force is called

Choices

Choice (4) Response

a.

Contact force

b.

Frictional force

c.

Muscular force

d.

Gravitational force

Question number: 794

» Force and Pressure

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MCQ▾

Question

The direction of gravity is

Choices

Choice (4) Response

a.

Upwards

b.

Northwards

c.

Downwards

d.

Southwards

Question number: 795

» Force and Pressure

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MCQ▾

Question

A force which can produce its effect only by making a contact with object is called

Choices

Choice (4) Response

a.

Gravity

b.

Friction

c.

Muscular force

d.

Contact force

Question number: 796

» Force and Pressure

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MCQ▾

Question

Force may change the shape of objects. Which of the following is an example of this statement?

Choices

Choice (4) Response

a.

Hitting with a spoon on a steel plate

b.

Catching a cricket ball

c.

Kicking a football

d.

Hitting with hammer on an aluminium vessel

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

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

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