Question

3
(c) m
1. Area under a v-t graph represent a physical quantity which has the unit
(a) m?
(b) m
(d) ms -1
2. Slope of a velocity time graph gives -
(a) The distance (b) displacement (c) the acceleration (d) the speed
3. A particle is moving in a circular path of radius r. the displacement after half a c
be -
(a) Zero (b) nr
(c) 2r (d) 21
4. A body is thrown vertically upward with velocity u, the greatest height to which it
(a) 4/g
(b) 4²/2g
(c) 4/5
(d) 4/29
5. According to second law of Newton, force is the cause and the outcome is -
(a)
Acceleration (b) velocity (c) momentum (d) time
6. The minimum number of unequal forces that can make zero resultant is -
Two
(b) three (c) four
(d) ten
7. The value of 'g'
(a) Increase as we go above the earth's surface (b) decreases as we go to th
the earth (c) remains constant (d) is more at equator and less at poles
8. The gravitational forces causes -
(a)
Tides (b) motion of moon (c) none of them (d) both a and b
9. Which principle is followed in the take off of the rocket?
(a) Moment of inertia
(b) conservation momentum
(b) Newton's third law of motion (d) Newton's law of gravitation
10. The unit of measuring the momentum of moving body is -
(a) m/s (b) Kg. m/s (c) Kg. m/s? (d) Nm²/kg
II. Answer the following questions:-
1. What does a small value of G indicate?
2. At what place on the earth's
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Answer 1

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