MEDIUM
9th CBSE
IMPORTANT
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Assertion: Acceleration of a body can be calculated from velocity-time graph.
Reason: Area of velocity-time graph gives distance travelled by the body.

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Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 8
Assertion: A body performing uniform circular motion with constant speed may have acceleration.
Reason: When speed of a body remains constant, then its acceleration is always zero.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 9
If the acceleration of the particle is constant in magnitude but not in direction, then what type of path does the particle follow?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 10
What does the path of an object look like when it is in uniform motion?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 11
The velocity of a body increases by 10 m s-1 every one second. What physical quantity does the body represent, and what is its magnitude?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 12
Area under the velocity-time graph line is 40 m. What physical quantity does this area represent?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 13
Does the motion of second's hand of a watch represent uniform velocity or uniform speed?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 14
How can you calculate the speed from a distance-time graph.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 14
How can you calculate acceleration from velocity-time graph.