Question

True or false

1). A porter does no work while carrying a luggage on a road.

2). power spent depends on the time in which the work is done.

3). State the two laws of refraction.

4). Liquid's show only cubical or volume expansion.

5). When work is done, an equal amount of energy is spent or consumed​

Answer 1

Answer:

1.true

2.true

3.true

4.true

5.true