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- 1. Multiple Choice
Inertia of a body depends on
weight of the object
acceleration due to gravity of the planet
mass of the object
Both a & b
- 2. Multiple Choice
Impulse is equals to
rate of change of momentum
rate of force and time
change of momentum
rate of change of mass
- 3. Multiple Choice
Newton’s III law is applicable
for a body is at rest
for a body in motion
both a & b
only for bodies with equal masses
- 4. Multiple Choice
Plotting a graph for momentum on the X-axis and time on Y-axis. slope of momentum-time graph gives
Impulsive force
Acceleration
Force
Rate of force
- 5. Multiple Choice
In which of the following sport the turning of effect of force used
swimming
tennis
cycling
hockey
- 6. Multiple Choice
The unit of ‘g’ is m s-2. It can be also expressed as
cm s-1
N kg-1
N m2 kg-1
cm2 s-2
- 7. Multiple Choice
One kilogram force equals to
9.8 dyne
9.8 × 104 N
98 × 104 dyne
980 dyne
- 8. Multiple Choice
The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be____kg
4 M
2M
M/4
M
- 9. Multiple Choice
If the Earth shrinks to 50% of its real radius its mass remaining the same, the weight of a body on the Earth will
decrease by 50%
increase by 50%
decrease by 25%
increase by 300%
- 10. Multiple Choice
To project the rockets which of the following principle(s) is /(are) required?
Newton’s third law of motion
Newton’s law of gravitation
law of conservation of linear momentum
both a and c
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