271. The bodies which rebound after impact are called
inelastic bodies
elastic bodies
neither elastic nor inelastic bodies
none of these
✅ The correct answer is option B.
Engineering Mechanics MCQs
272. If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be
same
half
double
✅ The correct answer is option B.
273. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
principle of independence of forces
principle of resolution of forces
principle of transmissibility of forces
none of these
✅ The correct answer is option B.
274. When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.
Correct
Incorrect
✅ The correct answer is option A.
275. The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
equal to
less than
greater than
✅ The correct answer is option A.
277. The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.
Agree
Disagree
✅ The correct answer is option A.
278. If two blocks of equal mass are attached to the two ends of a light string and one of the blocks is placed over a smooth horizontal plane while the other is hung freely after passing over a smooth pulley, then the two blocks will have some motion.
Agree
Disagree
✅ The correct answer is option A.
279. The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.
less than
more than
equal to
✅ The correct answer is option B.
280. The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is
P/2
2P
✅ The correct answer is option C.