# 50+ Work MCQ and Answers (Multiple Choice Questions)

Work MCQ and Answers are must for the aspirants who are preparing for various competitive examination. It covers the concept of Work, Energy and Power which is very important for any competitive exams. This Law of Work, Energy and Power topic is given most importance in various competitive exams like JEE Main, JEE Advanced, NEET, AIIMS etc.

## Work MCQ and Answers

#### 1. Work being a scalar quantity sometimes has negative and positive signs. What does the sign suggest?

a) The direction of work

b) Relative directions of force and displacement

c) The direction of force

d) The direction of displacement

Answer: b

a) 16000 J

b) -16000 J

c) 400 J

d) -400 J

Answer: a

a) 10 N

b) -10 N

c) 20 N

d) 70 N

Answer: a

a) 8000 J

b) -8000 J

c) 20000 J

d) 800 J

Answer: a

a) 2000 J

b) -2000 J

c) 20000 J

d) -20000 J

Answer: a

#### 6. A force of 10 N creates a displacement of 2 m but the work done on the body throughout its motion is equal to 70 J. What possibly can be the reason or this?

a) There are multiple forces action on the body

b) The body is at rest

c) The force is not uniform

d) The displacement is harmonic

Answer: a

#### 7. Work done by a force on a body is an example of ______

a) Mechanical work

b) Electrical work

c) Magnetic work

d) Thermodynamic work

Answer: a

#### 8. Work done in a system is ___

a) The measure of energy change

b) The measure of useful work

c) The measure of displacement

d) The measure of force

Answer: a

#### 9. Work is a _______

a) Scalar quantity

b) Vector quantity

c) Foreign quantity

d) Magnitude less quantity

Answer: a

a) 80 J

b) -80 J

c) 40 J

d) 16 J

Answer: a