EASY
9th CBSE
IMPORTANT
Earn 100

What does the area under an acceleration-time graph represent?

56.67% studentsanswered this correctly

Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 26

Which of the statement is not true regarding uniform circular motion?

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 27
The length of second’s hand of a clock is 8 cm. The speed of tip of second’s hand is :
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 28
An artificial satellite is moving in a circular orbit of radius 42250 km. If it takes 24 hours to revolve around the earth, its speed is:
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 29
A particle is acted upon by a constant force, the magnitude of which is always perpendicular to the velocity of particle. The motion of particle takes place in same plane. From the above statement it implies:
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 30
When an electron spins around a nucleus, the necessary centripetal force is provided by:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 1
Draw the distance-time graph when the body is stationary.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 2
Draw the velocity-time graph when the body is moving with a uniform velocity.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 3
Draw a distance-time graph when the body is moving with a variable speed and uniform acceleration.