Multiple Choice Questions
1.The
resistance offered to the movement on one body upon another is known as
a) Surface
tension
b) Frictional resistance
c) Limiting
friction
d) Rolling friction
2. The
coefficient of fraction depends upon A
a) Nature of
surface
b) Area of contact
c) Shape of
the surface
d) All of the above
3. Maximum
static friction is always
a) Less than
the dynamic friction
b) Equal to dynamic friction
c) Greater
than the dynamic friction
d) Has no relation with dynamic friction
4. If two
bodies collide each other without the application of the external forces, the
total momentum
will:
a)
Continuously change
b) Remain constant
c) Increase
d) Decrease
5.
Limiting friction bears a constant ration to the normal reaction. This ratio
depends upon
a) Nature of
the material
b) Shape of the surfaces
c) Area of
the surfaces
d) Normal reaction
6. The
external unbalance force required to accelerate a body is proportional to the
product of the
mass of the
body and the acceleration produced is called
a) First law
of motion
b) Law of inertia
c) Second
law of motion
d) Third law of motion
7. The
characteristic of weight is
a) A vector
quantity
b) Not fixed property
c) Depend
upon the location as well as the motion of framework
d) All of
the above
8. If the
velocity of a body does not increase by equal amounts in equal intervals of
time it is said to
have
a) Uniform
acceleration
b) Variable acceleration
c) Average
acceleration
d) Instantaneous acceleration
9. The
substances used as moderators always consist of
a) Lighter
atoms
b) Heavier atoms
c) Atoms of
comparable masses
d) None of the above
Answer
10. A train
is running at 25 kilometers per hour, find the time taken by it to travel 15
kilometers.
a) 20
minutes
b) 25 minutes
c) 28
minutes
d) 36 minutes
