EASY
9th CBSE
IMPORTANT
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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:

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Important Questions on Motion

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.
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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.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 4
Draw a diagram to show the motion of a body whose speed remains constant, but the velocity changes continuously.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 5
What is the unit of a physical quantity which is represented by area under a velocity-time graph?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 1 - Motion>EXERCISE>Q 1
What is the unit of a physical quantity which is represented by area under a velocity-time graph?