A force F = 2i + 3j – k is passing through the origin. Its moment about point (1, 1, 0) is
A.i + j + k
B.Zero
C.2i + 3j
D.i – j – k
E.i + j
Category: Applied Mechanics Mcqs
A body having SHM has period of 6 sec and amplitude of 4 mts. Maximum velocity is
A.4?/3 m/s
B.2?/3 m/s
C.3? m/s
D.?/3 m/s
Which of the following is not a unit of energy?
A.Joule
B.kW
C.N-m
D.Electron volt
E.Watt-hour
A ball of mass 1 kg moving with a velocity of 2 m/sec collides directly with a stationary ball of mass 2 kg. If the first ball comes to rest after the impact the velocity of second ball after impact will be
A.Zero
B.0.5 m/sec
C.1.0 m/sec
D.1.5 m/sec
E.2 m/sec
The sag in a tape 100 ft long held between two supports 99.8 ft aprat at the same level is
A.3.32 ft
B.0.98 ft
C.1.87 ft
D.2.73 ft
What force is necessary to hold a weight of 100 kg suspended on a rope wrapped 3 times around a post (
A.1.46
B.0.35
C.0.8
D.2.85
A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the force exerted by the jet on the plate would be in the range
A.5 – 10 kg
B.10 – 15 kg
C.15 – 20 kg
D.20 – 25 kg
E.25 – 30 kg
A column has its equivalent length equal to its length in case of
A.both ends hinged
B.one end fixed, other free
C.one end hinged, other free
D.both end fixed
