A same
B half
C double

# Q2: Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

A v = u + a.t
B s = u.t + 1/2 a.t2
C v2 = u2+2a.s
D all of these

A equal to
B less than
C greater than

A sin θ
B cos θ
C tan θ
D cosec θ

# Q5: The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.

A depends
B does not depend

# Q6: When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

A simple pendulum
B compound pendulum
C torsional pendulum
D second's pendulum

# Q7: The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

A static friction
B dynamic friction
C limiting friction
D coefficient of friction

# Q8: 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

A principle of independence of forces
B principle of resolution of forces
C principle of transmissibility of forces
D none of these

A 3a/2
B 23a
C a/23
D 32a

A Yes
B No

A bh3/4
B bh3/8
C bh3/12
D bh3/36

A Correct
B Incorrect

# Q13: Work done is said to be zero, when

A some force acts on a body, but displacement is zero
B no force acts on a body but some displacement takes place
C either (a) or (b)
D none of the above

A equal to
B less than
C greater than

A N-m
B m/s
C m/s2

A equal to
B less than
C greater than

A Agree
B Disagree

A
B
C
D

A 0.1 joule/s
B 1 joule/s
C 10 joules/s
D 100 joules/s

A 0° and 180°
B 180° and 0°
C 90° and 180°
D 90° and 0°

# Q21: During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

A equal to
B equal and opposite to
C less than
D greater than

# Q22: The bodies which rebound after impact are called

A inelastic bodies
B elastic bodies
C neither elastic nor inelastic bodies
D none of these

A perfect
B imperfect
C deficient

A Correct
B Incorrect

A P/2
B 2P
C
D

A tan θ = ∑H/∑V
B tan θ = ∑V/∑H
C tan θ = ∑Vx∑H
D

# Q27: The friction experienced by a body, when in motion, is known as

A rolling friction
B dynamic friction
C limiting friction
D static friction

A 30°
B 45°
C 60°
D 90°

A Agree
B Disagree

A 15 N and 5 N
B 20 N and 5 N
C 15 N and 15 N
D none of these

A Correct
B Incorrect

# Q32: The mechanical advantage of a lifting machine is the ratio of

A distance moved by effort to the distance moved by load
B load lifted to the effort applied
C output to the input
D all of the above

A 30°
B 60°
C 90°
D 120°

A Agree
B Disagree

A
B
C
D

A stable
B unstable
C neutral

A less than
B more than
C equal to

A True
B False

A True
B False

# Q40: In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

A increase
B decrease
C remain the same

A Yes
B No

A equal to
B less than
C greater than

A True
B False

A πd3/16
B πd3/32
C πd4/32
D πd4/64

A v
B v/2
C v/4
D v/8

A
B
C
D

A True
B False

# Q48: A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)

A P = W tanα
B P = W tan(α + φ)
C P = W (sinα + μcosα)
D P = W (cosα + μsinα)

A
B
C
D

# Q50: The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

A
B
C
D

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