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Chapter 3 - Motion and Force - 5
1.
Displacement is defined as the change in the position of a body from its initial position to its final position.
a) False
b) True
2.
The slope of displacement time graph gives acceleration of a moving body.
a) False
b) True
3.
If the body is moving with uniform acceleration then its slope is zero.
a) False
b) True
4.
Velocity time graphs only gives information about the acceleration of a moving body.
a) False
b) True
5.
If a body is moving with variable velocity, then its average and instantaneous velocities are also equal.
a) False
b) True
6.
A body dropped from a 100m high tower will strike the earth with the velocity of 100 m/s.
a) False
b) True
7.
The average value of gravity near the earth's surface is 9.8 ms
-2
.
a) True
b) False
8.
Mass is the qualitative measure of inertia.
a) True
b) False
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