101. The horizontal range of a projectile (R) is given by
✅ The correct answer is option B.
Engineering Mechanics MCQs
102. One joule means that
work is done by a force of 1 N when it displaces a body through 1m
work is done by a force of 1 kg when it displaces a body through 1 m
work is done by a force of 1 dyne when it displaces a body through 1 cm
work is done by a forc
✅ The correct answer is option A.
104. Two blocks A and B of masses 150 kg and 50 kg respectively are connected by means of a string as shown in the below figure. The tension in all the three strings __________ be same.
will
will not
✅ The correct answer is option A.
105. D’ Alembert’s principle basically depends upon Newton’s second law of motion.
Correct
Incorrect
✅ The correct answer is option A.
106. The term ‘centroid’ is
the same as centre of gravity
the point of suspension
the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
none of the above
✅ The correct answer is option A.
108. The periodic time (T) is given by(where ω = Angular velocity of particle in rad / s.)
ω/2π
2π/ω
2π x ω
π/ω
✅ The correct answer is option B.
109. A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
1m
2m
3m
4m
✅ The correct answer is option B.
110. The motion of a particle round a fixed axis is
translatory
rotary
circular
translatory as well as
✅ The correct answer is option C.