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CBSE
Class 9
Science
Exploration
Work, Energy, and Simple Machines
Question Bank

What energy conversion occurs ...

Single Answer MCQ
Q-00171988

What energy conversion occurs when a runner speeds up?

1

Chemical to mechanical

2

Elastic to sound

3

Thermal to kinetic

4

Electrical to potential

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Video Explanation

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Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What is the work done when a constant force of 10 N displaces an object by 2 m in the direction of the force?

Single Answer MCQ
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Q2.

If no displacement occurs, what is the work done by any force?

Single Answer MCQ
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Q3.

A person lifts a 5 kg bag of wheat to a height of 1 m. What is the work done against gravity (g = 9.8 m/s²)?

Single Answer MCQ
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Q4.

Which of the following situations results in positive work done?

Single Answer MCQ
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