Work and Energy Quiz 1

Question 1

One watt is equal to:

Accepted Answer

1$\,JS^{-1}$

Answer

1$\,JS^{-2}$

Answer

1000 J

Answer

$1000\,JS^{-1}$

Question 2

Which types of energy transformation, when you are riding a bicycle?

Accepted Answer

Muscular energy to kinetic and heat energy

Answer

Mechanical energy to chemical energy

Answer

Chemical energy to internal energy

Answer

None of these

Question 3

According to the law of conservation of energy:

Accepted Answer

Transformation of energy remains constant.

Answer

Energy can only be created.

Answer

Energy can only be destroyed.

Answer

None of these

Question 4

One joule is equal to:

Accepted Answer

1 newton meter

Answer

1 newton

Answer

1 newton$^2$ meter

Answer

1 newton meter$^2$

Question 5

If the displacement is zero, then work done on an object by force will be.

Accepted Answer

Zero

Answer

Can&rsquo;t zero

Answer

Can&rsquo;t say

Answer

None of these

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