Correct
Incorrect
✅ The correct answer is option A.
Engineering Mechanics MCQs
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.
Joule is the unit of
force
work
power
velocity
✅ The correct answer is option B.
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.
The horizontal range of a projectile (R) is given by
✅ The correct answer is option B.
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.
The rate of change of displacement of a body is called
velocity
acceleration
momentum
none of these
✅ The correct answer is option A.
The moment of inertia of a square of side (a) about an axis through its centre of gravity is
a4/4
a4/8
a4/12
a4/36
✅ The correct answer is option C.
The moment of inertia of a solid cylinder of mass m, radius r and length l about the longitudinal axis or polar axis is
mr2/2
mr2/4
mr2/6
mr2/8
✅ The correct answer is option A.