Correct
Incorrect
✅ The correct answer is option B.
Engineering Mechanics MCQs
The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is
✅ The correct answer is option A.
The time of flight (t) of a projectile on a horizontal plane is given by
✅ The correct answer is option A.
If a body is acted upon by a number of coplaner non-concurrent forces, it may
rotate about itself without moving
move in any one direction rotating about itself
be completely at rest
all of these
✅ The correct answer is option D.
A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s2 in the direction of which it acts.
Yes
No
✅ The correct answer is option A.
A block of mass m1, placed on an inclined smooth plane is connected by a light string passing over a smooth pulley to mass m2, which moves vertically downwards as shown in the below figure. The tension in the string is
m1/m2
m1.g sin α
m1.m2/m1+m2
✅ The correct answer is option D.
A couple produces
translatory motion
rotational motion
combined translatory and rotational motion
none of the above
✅ The correct answer is option B.
The coefficient of restitution for inelastic bodies is
zero
one
between zero and one
more than one
✅ The correct answer is option A.
A machine having an efficiency greater than 50%, is known as
reversible machine
non-reversible machine
neither reversible nor non-reversible machine
ideal machine
✅ The correct answer is option A.
The velocity of a particle moving with simple harmonic motion is __________ at the mean position.
zero
minimum
maximum
✅ The correct answer is option C.