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1
A moving object always remains at the same distance from a fixed point. The moving object is performing which type of motion ?
Rectilinear
Circular
Rotatory
All of these
2
A boy goes from A to B from B to C then to D then to A what is the displacement
160 m
80 m
50 m
0 m
3
What is the correct equation for average speed?
Average speed=total timetotal distance
Average speed=total distancetotal time
Average speed=total distanceXtotal time
Average speed=total distance+total time
4
1 Decade is equal to ______________
1 year
10year
100 Years
1 Century
5
If a car is travelling north on a straight road and its brakes are applied, it will -
have no acceleration
accelerate to the south
accelerate to the north
accelerate either east or west
6
A man sitting next to you in a moving car is at ________________ with respect to you
Rest
Motion
Both (a) and (b) are correct.
None of these.
7
A bofy starts moving with an initial velocity of u m and an acceleration of 4 m .if the distance travelled by it is 20 m in the 2 second,then the value of u is ______________.
41 m
6 m
5 m
10 m
8
A body under the action of several forces will have zero acceleration
When the body is very light
When the body is very heavy
When the body is a point body
When the vector sum of all the forces acting on it is zero
9
A balling roll on the ground represents _________________
Rectilinear motion
Rotational motion
Both a nd b
None of these
10
Distance covered by an object can be ______________
Negative
Positive
Zero
None of These
11
Which of the following are correct :
(a) A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called periodic motion.
(b) A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called non- periodic motion.
(c) Example of non- periodic motion are a car moving on a road, a bird gliding across the sky.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.
12
A particle moves along the side of a square of length l starting from A and reaches the opposite corner C by travelling from A to B and B to C . If the time taken is t,the average velocity of the particle is
13
Which one of the following relation is correctly expressed?
100km/h=2.5 cm s-1
100km/h=2770cm s-1
100km/h=90cms-1
100km/h=300cms-1
14
A ball is released from the top of a tower of height h metres. It takes T seconds to reach the ground. What is the position of the ball in T/3 seconds?
h/9 metres from the ground
7h/9 meters from the ground
8h/9 meters from the grounds
17h/18 meters from the ground
15