Chapter 3 Kinematics - Test 2

1. If the body starts from rest its initial velocity is taken as zero

1) False
2) True
2. Unit of average acceleration in S.I is m/s2

1) False
2) True
3. The motion of freely falling bodies is good example of translatory motion

1) True
2) False
4. If the velocity of the body changes unequally in equal intervals of time its acceleration is said to be uniform

1) True
2) False
5. In the graph negative values on y. axis are taken above the origin.

1) False
2) True
6. Velocity of body in 36 km/h = 10 m/s

1) False
2) True
7. Such type of motion in which every particle of a body has exactly the same motion is called


1) Random motion
2) Translatory motion
3) Rotatory motion
4) Vibratory motion
8. Velocity of light in m/s-1 is :-

1) 1x105
2) 3x108
3) 3x104
4) 3x105
9. Average speed of Dolphin in kmh-1 is :-

1) 50
2) 160
3) 90
4) 30
10. Velocity of a car moving in a circle will be:-
1) average
2) Relative Velocity
3) variable
4) uniform
11. The velocity and acceleration of a body moving with uniform speed in a circular path will be

1) equal
2) in the same direction
3) mutually perpendicular
4) in the opposite direction
12. The velocity of train increases from 10 m/s to 20 m/s in one minute its average velocity will be.

1) 10 m/s
2) 15 m/s
3) 25 m/s
4) 20 m/s
13. A brick is dropped from the height of 80 m. Its velocity before touching the ground will be

1) 20 m/s
2) 30 m/s
3) 40 m/s
4) 60 m/s
14. Value of 'g' by free fall method is determined by the formula.

1) s=vit+1/2 gt 2
2) 2gs=vf2-vi2
3) g=h/t2
4) g=32h/T2
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