A. Disc
B. Solid sphere
C. Cylinder
Dl. Ring
102. Assuming the pulley to be frictionless
and mass less, the smallest coefficient of static friction is 0.33 to cause the
cylinder to roll. If for the cylinder M=70kg and radius of gyration 400 mm.
Then.?
A. The
cylinder will move up and the mass will descend
B. The
cylinder will move up and the mass will also move up
C. The cylinder will roll down the plane and mass will ascend
D. None is
true
103. With the help of dimensions method it can
be proved that frequency of a stretched wire.?
A. Does not
depend on the mass of the wire
B. Depends on the mass of the wire
C. Depends
on the displacement of the wire
D. None of
these
104. When a body undergoes an acceleration.?
A. Its
velocity increases
B. A force acts upon it
C. Its speed
increases
D. It falls
toward the earth
105. Which kind of storage device can be
carried around.?
A. Hard disk
B. System
cabinet
C. Hard disk
derive
D. Floppy disk
106. A body is said to be perfectly elastic if.?
A. It can
freely move
B. Its surface
is perfectly smooth
C. It is not
affected by external force
D. It recovers its original shape/size when the deforming force is
removed
107. A 30 kg. Block lies on a frictionless
table and is connected to a 10 kg block by a rope passing over a frictionless
pulley.?
A. The acceleration
of the 10 kg block is 9.8 m/s2
B. Both the
blocks move with the same velocity
C. Both the blocks are accelerated by the same magnitude
D. The acceleration
acting on 10 kg block is zero
108. Let us suppose that a block resting on an
inclined plane just begins to slide down the plane when the angle of
inclination is gradually increased to 30, the coefficient of friction will be
equal to.?
A. Cos 300
B. Cot 300
C. Tan 300
D. Sin 300
109. Which of the following pairs have
identical dimensions.?
A. Momentum
and force
B. Pressure
and surface tension
C. Work and kinetic energy
D. Momentum
of force and angular mementum
110. The maximum value of static friction is
called.?
A. Rolling
friction
B.Normal
reaction
C. Limiting friction
D. Coefficient
of friction
0 comments:
Post a Comment
Hello!
Although Every Comment is Appreciated. Feedback, Suggestions, Any Question Comment Below Be Carefully & Feel Free. Admin Will Give You Answer of Your Question in Just Within 12 Hours.