EASY
11th CBSE
IMPORTANT
Earn 100

A person driving a car suddenly applies the brakes on seeing a child on the road ahead. If he is not wearing the seat belt, he falls forward and hits his head against the steering wheel. Why?

Important Questions on Laws of Motion
EASY
11th CBSE
IMPORTANT

HARD
11th CBSE
IMPORTANT

EASY
11th CBSE
IMPORTANT

EASY
11th CBSE
IMPORTANT

EASY
11th CBSE
IMPORTANT
A woman throws an object of mass with speed of .
What is the impulse imparted to the objects?

EASY
11th CBSE
IMPORTANT
A woman throws an object of mass with speed of .
If the object hits a wall and rebounds with half the original speed, what is the change in momentum of the object?

EASY
11th CBSE
IMPORTANT

EASY
11th CBSE
IMPORTANT
A mass of is suspended with thread (figure). Thread of the same type is attached to the other end of mass. Lower thread is pulled gradually, harder and harder in the downward direction so as to apply force on . Which of the threads will break and why?
