Question

(3) The unit of power is joule.
Ans.
(4) Mechanical energy cannot be converted into electrical enery
Ans.
(5) Work is a vector quantity,
Ans.

state whether the statements true or false with reasons​

Answer 1

Explanation:

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Answer 2

Answer:

Explanation:

1.The unit of power is joule.

Ans- False.

The unit of power is watt.

2.Mechanical energy cannot be converted into electrical energy.

Ans-False.

Mechanical energy can be converted into electrical energy.

3.Work is a vector quantity.

Ans-False.

Work is a scalar quantity.

Work is a scalar product of force and displacement.