EASY
9th CBSE
IMPORTANT
Earn 100

Differentiate Between the Following:

Uniform and variable velocity.

Important Questions on Motion

EASY
9th CBSE
IMPORTANT

Differentiate Between the Following:

Uniform and non-uniform acceleration.

MEDIUM
9th CBSE
IMPORTANT
What do you understand by displacement-time graph? Draw a displacement-time graph for a girl going to school with uniform velocity. How can we calculate uniform velocity from it?
MEDIUM
9th CBSE
IMPORTANT

What is velocity-time graph? State how it can be used to find:

Acceleration of a body.

EASY
9th CBSE
IMPORTANT

State how velocity-time graph can be used to find:

The displacement of a body.

MEDIUM
9th CBSE
IMPORTANT

State how velocity-time graph can be used to find:

The distance travelled in a given time.

HARD
9th CBSE
IMPORTANT
The driver of a train travelling at 40 ms-1 applies the brakes as a train enters a station. The train slows down at a rate of 2 ms-2. The platform is 400 m long. Will the train stop in time?
MEDIUM
9th CBSE
IMPORTANT
A girl running a race accelerates at 2.5 ms-2 for the first 4 s of the race. How far does she travel in this time?
HARD
9th CBSE
IMPORTANT
Two trains A and B of length 400 m each are moving on two parallel tracks with uniform speed of 72 km h-1 in the same direction with A ahead of B. The driver of B decides to overtake A and accelerates by 1 m s-2. If after 50 s, the guard of B just passes the driver of A, what was the original distance between them?