Engineering Mechanics MCQs (Part-1)

What is the SI unit of force?

A Joule
B Newton
C Pascal
D Watt

Which of the following is a scalar quantity?

A Force
B Velocity
C Mass
D Acceleration

What is the condition for a body to be in equilibrium?

A Net force is zero
B Net torque is zero
C Both net force and net torque are zero
D Net force is non-zero

What is the formula for calculating work done?

A Force × Distance
B Force × Velocity
C Mass × Acceleration
D Pressure × Volume

Which principle states that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the displaced fluid?

A Pascal’s Principle
B Archimedes’ Principle
C Bernoulli’s Principle
D Hooke’s Law

What is the unit of stress?

A Newton
B Pascal
C Joule
D Watt

Which of the following is an example of a simple machine?

A Lever
B Engine
C Turbine
D Generator

What is the center of gravity?

A The point where mass is concentrated
B The point where weight is balanced
C The geometric center of an object
D The point where external forces act

What is the formula for momentum?

A Force × Distance
B Mass × Acceleration
C Force × Time
D Mass × Velocity

Which law states that every action has an equal and opposite reaction?

A Newton’s First Law
B Newton’s Second Law
C Newton’s Third Law
D Hooke’s Law

What is the formula for mechanical advantage?

A Output Force / Input Force
B Input Force / Output Force
C Output Work / Input Work
D Input Work / Output Work

Which of the following is a type of beam support?

A Fixed support
B Hinge support
C Roller support
D All of the above

What is the unit of strain?

A Newton
B Pascal
C Dimensionless
D Joule

Which of the following is a measure of a material’s stiffness?

A Shear Modulus
B Bulk Modulus
C Poisson’s Ratio
D Young’s Modulus

What is the principle of virtual work used for?

A Analyzing equilibrium of structures
B Calculating work done by forces
C Determining material properties
D Measuring mechanical advantage