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1
Ramesh starts on a cycle from point A. He then goes to garden
at point C and then to his home at point B. How much distance has he moved.
4 m
5 m
3 m
8 m
2
The rate of change of displacement with time is:
Speed
Acceleration
Velocity
Retardation
3
The numerical ratio of average velocity to average speed is
always less than 1
always equal to 1
always more than 1
equal to or less than 1
4
A body is said to have a ________________ motion, if it travels equal distances in equal intervals of time, no matter how small these intervals may be.
Uniform
Non uniform
Relative
None of these.
5
An example of rectilinear motion is :
Apple falling from a tree
Motion of a car on a straight road
A spinning top
Both a nd b
6
If a particle moves with a constant speed, the distance - time graph is a
Straight line
Circle
Stairlike line
Polygon
7
The SI unit for the average velocity is
m/s
km/s
cm/s
mm/s
8
If distance covered by particle is zero, what can be its displacement ?
It may or may not be zero
It cannot be zero
It must be zero
It is negative
9
The distance-time graphs for two vehicles x and y are straight lines.The slope of graph for x with time axis more than that for y.
The speed of x is more than that of y
The speed of y is more than tat of x
x is uniformly accelerated while y is not
The distance covered by y is more than that by x in the same interval of time
10
A balling roll on the ground represents _________________
Rectilinear motion
Rotational motion
None of these
11
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
12
A body goes from A to B with Velocity of 20m/s and comes back from B to A with a velocity of 30m/s. The average velocity of the body during the whole journey is ________________
Zero
25m/s
24m/s
5m/sec
13
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
14
Which of the following are correct ?
(a) When an object in motion moves in a straight line, it is said to be in rectilinear motion.
(b) When an object in motion moves along a curved path, it is said to be in curvilinear motion.
(c) When an object in motion moves around a circular path, it is said to be in circular motion
Only (a) and (b) is correct
Only (b) and (c) is correct .
Only (a) and (c) is correct .
All of these .
15
Which of the following are correct :
(a) A body is said to have a uniform motion, if it travels equal distances in equal intervals of time, no matter how small these intervals may be.
(b) A body is said to have a non-uniform motion, if it travels equal distances in equal intervals of time, no matter how small these intervals may be.
(c) If a car moving along a straight line covers equal distances in equal intervals of time, it is said to be in uniform motion.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.