In which of the following cases of motions, the distance moved and the displacement is same?
a) If the car is moving on a straight road
b) If the car is moving in circular path
c) The pendulum is moving to and fro
d) The earth is revolving around the sun

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Solution

If the car is moving on a straight road, the direction of the motion does not change. Hence the distance moved and the displacement is the same.
In the other cases, magnitude of distance and displacement is not the same.

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Question 11
In which of the following cases of motions, the distance moved and the displacement is same:
(a) If the car is moving on straight road
(b) If the car is moving in circular path
(c) The pendulum is moving to and fro
(d) The earth is revolving around the Sun

Q. In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?

(a) if the car is moving on straight road
(b) if the car is moving on circular road
(c) if the pendulum is moving to and fro
(d) if a planet is moving around the sun

Four cars A, B, C and D are moving on a levelled, straight road. Their distance-time graphs are shown in the given figure. Which of the following is the correct statement regarding the motion of these cars ?

(a) car A is faster than car D.

(b) car B is the slowest

(d) car C is the slowest

Q. If a car is moving along a straight road in the same direction, it is said to be in rectilinear motion.

Q. A car moving on a straight road is in
(a) curvilinear motion
(b) rectilinear motion
(c) periodic motion
(d) rotational motion

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Distance and Displacement

Standard IX Physics

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In which of the following cases of motions, the distance moved and the displacement is same? a) If the car is moving on a straight road b) If the car is moving in circular path c) The pendulum is moving to and fro d) The earth is revolving around the sun

If the car is moving on a straight road, the direction of the motion does not change. Hence the distance moved and the displacement is the same. In the other cases, magnitude of distance and displacement is not the same.

In which of the following cases of motions, the distance moved and the displacement is same?
a) If the car is moving on a straight road
b) If the car is moving in circular path
c) The pendulum is moving to and fro
d) The earth is revolving around the sun

If the car is moving on a straight road, the direction of the motion does not change. Hence the distance moved and the displacement is the same.
In the other cases, magnitude of distance and displacement is not the same.