Multiple Choice Questions
1. In
elastic collision between two bodies
a) Energy is
conserved but momentum is not
b) Both
momentum and energy are conserved
c) Momentum
is conserved but energy is not
d) Both
momentum and energy are not conserved
2.
Newton’s third law of motion states that
a) When two
bodies interact, action and reaction are equal and opposite
b) Acton and
reaction produce the same acceleration in two bodies
c) Inertia
and mass are the same
d) Inertia and force are the same
3. Inertia
of a body is measured in terms of
a) Its
velocity
b) Its mass
c) Its
weight
d) The applied force
4. The
attraction of earth on a body is called
a) Mass
b)
Inertial
c)
Acceleration
d) Weight
5. A ball
is hit so that it moves straight up in the air and reaches the maximum height
in 2 seconds.
Its initial
velocity is
a) 19.6 m/s
b) 39.2 m/s
c) 9.8 m/s
d) 4.9 m/s
6. Which
of the following is true
a) F = m/a
b) a = m/F
c) m = a/F
d) a = F/m
7. Earth
is taken to be a
a)
Non-inertial frame
b) Inertial frame
c) Reference
axes
d) None of the above
8. Which
law is applicable in the motion of the rocket in space
a)
Conservation of mass
b) Conservation of energy
c)
Conservation of angular momentum
d) Conservation of linear momentum
9. In the
absence of any force acting on a body
a) Its
momentum changes with distance
b) Its momentum is conserved
c) Its
momentum is not conserved
10. A force
which always opposes the motion of a body called
a) Static
force
b) Gravitational force
c)
Frictional force
d) Impulsive force
