MEDIUM
9th West Bengal Board
IMPORTANT
Earn 100

Draw the velocity-time graph of a particle moving with uniform acceleration. State the value of acceleration from the graph.

Important Questions on Force and Motion

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 1
If the initial and final velocity of a uniformly accelerated body is u and v respectively, then its average velocity is _____.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 2
According to Newton's second law of motion,
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 4
Newton's first law of motion is also known as the law of _____.
MEDIUM
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 5
SI unit of momentum is
MEDIUM
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 6
A body of mass 10 kg moving with a velocity 4 m s-1 acquires a linear momentum
MEDIUM
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 7
Newton's second law of motion gives the measure of _____.
MEDIUM
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 8
A man covers 6 km eastwards and then 8 km northwards. His displacement is _____.
MEDIUM
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 2 - Force and Motion>EXERCISE>Q 9
A force of 5 N acts on a body of weight 9.8 N. What is the acceleration in m s-2?