Work And Energy, Science, Class 9 - Test


10 Questions MCQ Test Class 9 Science by VP Classes | Work And Energy, Science, Class 9 - Test


Description
This mock test of Work And Energy, Science, Class 9 - Test for Class 9 helps you for every Class 9 entrance exam. This contains 10 Multiple Choice Questions for Class 9 Work And Energy, Science, Class 9 - Test (mcq) to study with solutions a complete question bank. The solved questions answers in this Work And Energy, Science, Class 9 - Test quiz give you a good mix of easy questions and tough questions. Class 9 students definitely take this Work And Energy, Science, Class 9 - Test exercise for a better result in the exam. You can find other Work And Energy, Science, Class 9 - Test extra questions, long questions & short questions for Class 9 on EduRev as well by searching above.
QUESTION: 1

The unit of work is joule. The other physical quantity that has same unit is

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QUESTION: 2

The spring will have maximum potential energy when

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QUESTION: 3

 The energy possessed by an oscillating pendulum of a clock is

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QUESTION: 4

The gravitational potential energy of an object is due to

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QUESTION: 5

A ball is dropped from a height of 10 m.

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QUESTION: 6

If the velocity of a body is doubled its kinetic energy

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QUESTION: 7

How much time will be required to perform 520 J of work at the rate of 20 W?

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QUESTION: 8

A student carries a bag weighing 5 kg from the ground floor to his class on the first floor that is 2 m high. The work done by the boy is

Solution: Mass = 5kg S = 2m
Force = m × g= 5×10= 50N
Work = force × displacement W = 50 × 2W = 100 J
QUESTION: 9

The work done is ‘0’ if

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QUESTION: 10

One unit of electrical energy is equal to

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