EASY
11th West Bengal Board
IMPORTANT
Earn 100

Statement I : A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table

Statement II : For every action there is an equal and opposite reaction.

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Important Questions on Newton's Laws of Motion

EASY
11th West Bengal Board
IMPORTANT
A body of mass m is thrown with a velocity v at an angle of 45° with the horizontal. The body traverses a parabolic path and comes back to the ground. The change in momentum between the two instants when it was thrown and when it was about to strike the ground is
MEDIUM
11th West Bengal Board
IMPORTANT
A man of mass m stands at one end of a straight boat of length L and mass M. The man walks from one end of the boat, floating in water, to the other end with a constant velocity. The displacement of the boat is given by
MEDIUM
11th West Bengal Board
IMPORTANT
A balloon of mass M is rising up with an acceleration a. If a mass m is removed from the balloon, its acceleration becomes