Important Questions on Applied Mechanics for SSC

In exams like SSC, Banking, Railways, and others, we find many questions from the General Science Physics section. This section is considered very important. We will provide topic-wise practice questions so that students can be able to practice more and more and get most of the questions correct in this section. In this article, we will provide a Practice set from Applied Mechanics.

MCQs on Applied Mechanics for SSC: 

Que1. Force is the product of?
(a)Mass and Velocity
(b)Mass and Acceleration
(c)Weight and Acceleration
(d) Weight and Volume

Ans. (b) Mass and Acceleration
Explanation: Force is the product of Mass and Acceleration.

Que2. In Windmills, Which form of energy is converted into electrical energy?
(a)Radiant energy
(b)Solar energy
(c)Potential energy
(d)Kinetic energy

Ans. (d) Kinetic energy
Explanation: In windmills, Wind turbines convert kinetic energy into mechanical energy, and this mechanical energy can further be converted into electrical energy.

Que3. As soon as the train starts moving, the head of the passenger sitting inside leans backwards due to the?
(a) Inertia of rest
(b) inertia of motion 
(c) moment of inertia
(d) none of the above

Ans. (a) Inertia of rest
Explanation: Due to Inertia of rest, Passenger sitting inside the train leans backwards as soon as the train starts moving.

Que4. Which of the given options is a vector quantity?
(a) Work
(b) Pressure
(c) Energy
(d) Force

Ans. (d) Force
Explanation: Force is a vector quantity, and the rest are scalar quantities.

Que5. What is the role of simple machines in human life?
(a) It helps in doing less work
(b) It helps in doing the same amount of work with less force
(c) It slows down the working
(d) It adds an extra effort

Ans. (b)  It helps in doing the same amount of work with less force
Explanation: Simple machines help in reducing human effort for the same amount of work.

Que6.Find the Odd one out?
(a)Displacement
(b)Velocity
(c)Momentum
(d) Volume

Ans. (d) Volume
Explanation: Volume is a scalar quantity, and the rest are vector quantities.

Que7. Does the Washing Machine work on the principle of?
(a) Diffusion
(b) Reverse Osmosis
(c) Centrifugation
(d) Dialysis

Ans. (c) Centrifugation
Explanation: Centrifugation is the process of using centrifugal force to separate two liquids in a mixture. The denser part of the mixture moves away from the axis and the lighter part moves towards the axis.

Que8. Which of the following is a vector quantity?
(a) Displacement
(b) Density
(c) Volume
(d) Temperature

Ans. (a) Displacement
Explanation: Displacement is a vector quantity, the rest are scalars.

Que9. Conservation of energy refers to the?
(a) Generation of energy
(b) Energy could be created
(c) Energy could be destroyed
(d) Energy can neither be created nor destroyed

Ans. (d) Energy can neither be created nor destroyed
Explanation: The Law of Conservation of energy refers that energy can neither be created nor destroyed.

Que10. Which of the following is a scalar quantity?
(a) Weight
(b) Momentum
(c) Density
(d) Velocity

Ans. (c) Density
Explanation: Density is a scalar quantity, the rest are vectors.

Que11. Which of the following is a vector quantity?
(a) Area
(b) Distance
(c) Temperature
(d) Magnetic Polarization

Ans. (d) Magnetic Polarization
Explanation: Magnetic Polarization is a vector quantity, the rest are scalars.

Que12. Which of the following is a scalar quantity?
(a) Displacement
(b) Distance
(c) Force
(d) Thrust

Ans. (b) Distance
Explanation: Distance is a scalar quantity, the rest are vectors.

Que13. Find the odd one out?
(a) Pressure
(b) Work
(c) Thrust
(d) Energy

Ans. (c) Thrust
Explanation: Thrust is a vector quantity, and the rest are scalar quantities.

Que14.Which of the following is a scalar quantity?
(a) Work
(b) Momentum
(c) Velocity
(d) Acceleration

Ans. (a) Work
Explanation: Work is a scalar quantity, the rest are vectors.

Que15. Which of the following is represented by the ratio of momentum and velocity of the body?
(a) Displacement
(b) Mass
(c) Velocity
(d) Acceleration

Ans. (b) Mass
Explanation: Mass = Momentum/Velocity where momentum is a vector and mass is a scalar quantity.

Que16. Which of the following is a scalar quantity?
(a) Thrust
(b) Weight
(c) Energy
(d) Force

Ans. (c) Energy
Explanation: Energy is a scalar quantity, the rest are vectors.

Que17 Why it is more difficult to walk on ice than on road?
(a) Ice is harder than the road
(b) Road is harder than ice
(c) Ice has lesser friction than the road
(d) Ice has greater friction than the road

Ans. (c) Ice has lesser friction than the road
Explanation: It is more difficult to walk on ice than on the road because ice offers lesser friction than the road.

Que18. What will happen when a person is standing on a sensitive balance and he inhales deeply, the reading of the balance will?
(a) Increase
(b) Decrease
(c) Remains neutral
(d) None of the above

Ans. (a) Increase
Explanation: The reading of the balance will increase if the person inhales deeply.

Que19. Which of the following is a scalar quantity?
(a) Velocity
(b) Displacement
(c) Momentum
(d) Speed

Ans. (d) Speed
Explanation: Speed is a scalar quantity, the rest are vectors.

Que20. Which of the following is a vector quantity?
(a) Time
(b) Acceleration
(c) Mass
(d) Speed

Ans. (b) Acceleration
Explanation: Acceleration is a vector quantity, the rest are scalars.