(A) When an object completes half of a circular path, the distance covered is equal to half of the circumference of the circle.Distance $= \pi R = \fr

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Distance = $22 \, m$, Displacement = $14 \, m$

(A) When an object completes half of a circular path, the distance covered is equal to half of the circumference of the circle.Distance $= \pi R = \frac{22}{7} \times 7 = 22 \, m$.The displacement is the shortest distance between the initial and final positions, which is the diameter of the circle.Displacement $= 2R = 2 \times 7 = 14 \, m$.The object possesses uniform circular motion because it moves with a constant speed along a circular path.

Class 9 Science MOTION Mix Example - MOTION

Easy

An object is moving with uniform speed in a circle of radius $7 \, m$. Calculate the distance and displacement when it completes half the circle. What type of motion does the object possess?

A
Distance = $22 \, m$, Displacement = $14 \, m$
B
Distance = $44 \, m$, Displacement = $7 \, m$
C
Distance = $11 \, m$, Displacement = $14 \, m$
D
Distance = $22 \, m$, Displacement = $7 \, m$

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Give one example for each of the type of motion when
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The speed-time graphs of two cars are represented by $P$ and $Q$ as shown below.
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$(b)$ Do they ever move with the same speed? If so,when?
$(c)$ What type of motion are car $P$ and car $Q$ undergoing?

Medium

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Four speed-time graphs are shown below. Which graph represents the following cases?
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Medium

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An object is moving with uniform speed in a circle of radius $7 \, m$. Calculate the distance and displacement when it completes half the circle. What type of motion does the object possess?

Similar Questions

Give one example for each of the type of motion when$(i)$ acceleration is in the direction of motion.$(ii)$ acceleration is against the direction of motion.$(iii)$ acceleration is uniform.

$A$ body can have zero average velocity but not zero average speed. Justify this statement by giving an example.

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The speed-time graphs of two cars are represented by $P$ and $Q$ as shown below.$(a)$ Find the difference in the distance travelled by the two cars (in $m$) after $4\, s$.$(b)$ Do they ever move with the same speed? If so,when?$(c)$ What type of motion are car $P$ and car $Q$ undergoing?

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Give one example for each of the type of motion when
$(i)$ acceleration is in the direction of motion.
$(ii)$ acceleration is against the direction of motion.
$(iii)$ acceleration is uniform.

The speed-time graphs of two cars are represented by $P$ and $Q$ as shown below.
$(a)$ Find the difference in the distance travelled by the two cars (in $m$) after $4\, s$.
$(b)$ Do they ever move with the same speed? If so,when?
$(c)$ What type of motion are car $P$ and car $Q$ undergoing?

Four speed-time graphs are shown below. Which graph represents the following cases?
$(i)$ $A$ ball thrown vertically upwards and returning to the hand of the thrower.
$(ii)$ $A$ body decelerating to a constant speed and then accelerating.