Multiple Choice Questions
1. A body
falling freely under the action of gravity has
a) No weight
b) Minimum weight
c) Maximum
weight
d) No effects on its weight
2. The law
of inertia was first time formulated by
a) Plank
b)
Kepler
c) Newton
d)
Galileo
3. Inertia
of body is measured in term of
a) Its
weight
b) Its mass
c) Its
velocity
d) Its reaction
4. Newton’s
second law of motion is also called
a) Law of
inertia
b) Law of gravitation
c) Law of
acceleration
d) Law of inertial frame
5.
Newton’s third law states that
a) Inertia
and mass are the same
b) Action
and reaction on the same body
c) Inertia
and the force are the same
d) To every
action there is always an equal and opposite reaction
6. The
quantity of motion present in a body is called
a)
Acceleration
b) Moment
c) Momentum
d) Velocity
7. Inertia
mass and gravitational mass are
a) Proportional
b) Identical
c) Weights
d) Identical when there is no friction
8.
Momentum = mass ´ _______
a) Force
b)
Density
c)
Acceleration
d) Velocity
9. In case
of book lying on a table.
a) Action of
book on table and reaction of table on book are equal and opposite and are
inclined to
vertical.
b) Action
and reaction are equal and opposite and act perpendicular to the surfaces of
contact.
c) Action
and reaction are equal but act in the same direction.
d) Action
and reaction are not equal but are in opposite direction.
10.
Swimming is possible on account of
a) First law
of motion
b) Second law of motion
c) Third law
of motion
d) Newton’s law of gravitation
Answer