Olympiad Test: Friction - 1


10 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Friction - 1


Description
This mock test of Olympiad Test: Friction - 1 for Class 8 helps you for every Class 8 entrance exam. This contains 10 Multiple Choice Questions for Class 8 Olympiad Test: Friction - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Olympiad Test: Friction - 1 quiz give you a good mix of easy questions and tough questions. Class 8 students definitely take this Olympiad Test: Friction - 1 exercise for a better result in the exam. You can find other Olympiad Test: Friction - 1 extra questions, long questions & short questions for Class 8 on EduRev as well by searching above.
QUESTION: 1

Which of the following represents frictional force?  

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QUESTION: 2

Which of these is true about friction?

Solution:

 The correct answer is c

Friction can slow things down and sometimes make things go faster because of the grip that it causes.  MAKING FIRE When friction happens some of the energy stored in the object turns into heat energy. If you rub your hands together you can feel them start to get warm.

QUESTION: 3

Two bodies in contact but not moving with respect to each other can exert

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QUESTION: 4

Oiling or greasing of moving parts in a machine

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QUESTION: 5

Disadvantage of friction is that

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QUESTION: 6

A ball moving on a horizontal surface stops because of the

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QUESTION: 7

When one object moves over the surface of other object,

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QUESTION: 8

Ball bearings are useful because rolling friction is

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QUESTION: 9

The smoother the surface is, _____ will be the friction.

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QUESTION: 10

Fluid friction can be reduced by

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