in the shaded area
in the hole
at O
✅ The correct answer is option A.
Engineering Mechanics MCQs
The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.
directly
inversely
✅ The correct answer is option B.
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
towards the wall at its upper and
away from the wall at its upper end
downward at its upper end
upward at its upper en
✅ The correct answer is option D.
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
equal to
less than
greater than
✅ The correct answer is option A.
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.
less than
greater than
✅ The correct answer is option B.
A lift moves downwards with an acceleration of 9.8 m/s2. The pressure exerted by a man on the floor of the lift is zero.
TRUE
FALSE
✅ The correct answer is option A.
If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.
gain
loose
✅ The correct answer is option A.
The moment of inertia of a thin rod of mass m and length l,about an axis through its centre of gravity and perpendicular to its length is
ml2/4
ml2/ 6
ml2/8
ml2/12
✅ The correct answer is option D.
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
nine times
six times
four times
two times
✅ The correct answer is option A.
If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.
Yes
No
✅ The correct answer is option A.