Question

B. Write 'True' or 'False' for the following
statements:
1. An old unit of energy is calorie.
2. The product of force and the displacement
caused by it is called power.
3. A student preparing his lessons for monthly
test does mental work.
4. A boy carrying a school bag on his shoulder
does work.
5. If the displacement caused by a force is at
right angles to the direction of applied force,
the work done is zero.​

Answer 1

Explanation:

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Answer 2

Answer:

1. false

2.true

3.true

4.true

5.false

Explanation:

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