MEDIUM
9th ICSE
IMPORTANT
Earn 100

Given figures represent the motion of two objects: P and Q. Which of the object has positive acceleration and which one has negative acceleration? 

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Important Questions on Motion in One Dimension

MEDIUM
9th ICSE
IMPORTANT

Velocity-time graphs of two objects P and Q are as given below. 

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Name the object that starts from rest. (Write P or Q)

MEDIUM
9th ICSE
IMPORTANT
Velocity-time graphs of two objects P and Q are as given below
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Which object has more velocity after 5 s?
MEDIUM
9th ICSE
IMPORTANT
A body is moving with a velocity of 10 m/s. If it starts accelerating with the rate of 2.5 m/s2. Find out its velocity after 10 s.
HARD
9th ICSE
IMPORTANT
If a car travels 50 m distance in 4 s with an acceleration of 5 ms-2, then what was its initial speed? 
MEDIUM
9th ICSE
IMPORTANT
A cyclist is moving with a speed of 14 ms-1. He starts accelerating with a rate of 6 ms-2, and acquired the speed of 18 ms-1. Calculate, what distance did he move in acquiring that speed? 
HARD
9th ICSE
IMPORTANT
A bus is moving with a speed 72 kmh-1 can be stopped by brakes after at least 10 m. What will be the minimum stopping distance, if the same bus is moving at a speed of 144 kmh-1?
MEDIUM
9th ICSE
IMPORTANT

Which of the following is true for displacement?

  1. It cannot be zero.
  2. Its magnitude is greater than the distance travelled by the object. 
HARD
9th ICSE
IMPORTANT

Draw a diagram to show the motion of a body whose speed remains constant but the velocity changes continuously.