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

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Solution

(a) The magnitude of displacement is equal to the distance travelled by a body when it travels in a straight line.

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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

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. A car is moving on a straight horizontal road with a speed of

72 k m p h

. If the coefficient of kinetic friction between the tyre of the car and the road is

0.5

, then find the minimum distance, within which the car can be stopped.

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

Q. A pendulum is suspended from the roof of a rail road car. When the car is moving on a circular track the pendulum inclines.

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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

(a) The magnitude of displacement is equal to the distance travelled by a body when it travels in a straight line.

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