MEDIUM
9th CBSE
IMPORTANT
Earn 100

The picture below shows a man swinging an object in a uniform circular motion. A, B and C are three different points on the path of motion of the object.

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What is the net displacement of the object after one complete swing?

Important Questions on Motion

HARD
9th CBSE
IMPORTANT
Which velocity-time graph shows a period of acceleration in the motion?
EASY
9th CBSE
IMPORTANT
What is the correct unit for measuring the acceleration of a moving object?
HARD
9th CBSE
IMPORTANT

The velocity-time graph represents the motion of :

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HARD
9th CBSE
IMPORTANT

The velocity-time graph of a ball moving on the surface of a floor is given below.

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If the mass of the ball is 200 g, then the value of force on the ball is

HARD
9th CBSE
IMPORTANT

Match the following and select the correct option.

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a A                                p I turn back towards the start of my walk
b B q I start to walk at a constant speed
c C r I feel tired so I slow down
d D s I start to walk a little quicker
e E t I start to walk downhill so my speed increases

 

HARD
9th CBSE
IMPORTANT

The distance-time graph of four bikes P,Q,R and S which are moving on a straight road is shown in the given figure. Which of the following statement is correct regarding their motion.

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HARD
9th CBSE
IMPORTANT

The figure gives the speed-time graph of the motion of a car. What is the ratio of the distance travelled by car during the last two seconds to the total distance travelled in seven seconds?

 

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HARD
9th CBSE
IMPORTANT
A body starts from a point O with velocity v and uniform acceleration a. The direction of acceleration is reversed when the velocity of the body becomes 5v. The velocity of the body when it is again at point O will be