MEDIUM
9th West Bengal Board
IMPORTANT
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Displacement can be negative, positive or even zero.

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Important Questions on Force and Motion

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.2.
Motion of a falling body is with non-uniform acceleration.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.2.
Newton's second law is called the law of inertia.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
What is absolute unit of force in SI system?
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
Which quantity represents the rate of change of velocity?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
What does the area enclosed between velocity-time graph and X-axis represent?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
Which quantity measures inertia?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
If the velocity-time graph is a straight line parallel to time axis, then what is the nature of the motion?
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2.4.
When a man walks on the road, which component of normal reaction help him in walking?