NSO Level 1- Science Olympiad (SOF) Class 8: Questions 810 - 814 of 1076

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Question number: 810

» Force and Pressure

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MCQ▾

Question

A boy is crushing a disposable bottle. Here the force is applied by the

Choices

Choice (4) Response

a.

Air

b.

Palms

c.

Bottle

d.

Question does not provide sufficient data or is vague

Question number: 811

» Friction

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MCQ▾

Question

Before starting a tug of war, the players rub their palms with sand. This is to

Choices

Choice (4) Response

a.

Get grip to hold the rope

b.

Make their palms smooth

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 812

» Friction

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MCQ▾

Question

Two boys were conducting a race with their toy cars, which are similar in all aspects. They started the race simultaneously with same speed. One has selected a sandy surface and the other has selected a polished marble floor. Which of the two will win the race?

Choices

Choice (4) Response

a.

The car moving on the marble surface

b.

The car moving on the sandy surface

c.

Two boys reach the finishing point simultaneously

d.

None of the above

Question number: 813

» Friction

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MCQ▾

Question

A shape which is wide in the middle and tapered at ends is called

Choices

Choice (4) Response

a.

Kite shape

b.

Boat shape

c.

Streamlined shape

d.

Rhombus shape

Question number: 814

» Force and Pressure

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MCQ▾

Question

A square box of measurement with a mass of is resting on a loft. The pressure applied by the box on the loft would be

Choices

Choice (4) Response

a.

b.

c.

d.

20 N/m2

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