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

Which of the following is a ch...

Single Answer MCQ
Q-00171986

Which of the following is a characteristic of mechanical energy?

1

It is saved in chemical bonds.

2

It can exist in motion or position.

3

It is related to electric charges.

4

It is always in the form of sound.

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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?

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Q2.

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

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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)?

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Q4.

Which of the following situations results in positive work done?

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