Question

C. Statements given below are incorrect. Write the correct statements.
1. Work is done when you hold a heavy
suitcase in your hand.
2. Work done by a body is the product of
power and displacement.
3. Work is done when a force causes
displacement at right angles to its own
direction.
4. A teacher taking a class while standing,
does work.
5. The SI unit of work or energy is calorie. ​

Answer 1

Answer:

the correct statements,

1. Work is done when you hold a heavy

suitcase in your hand,

2. Work done by a body is the product of

power and displacement,

3. Work is done when a force causes

displacement at right angles to its own

direction,

4. A teacher taking a class while standing,

does work.