EASY
11th West Bengal Board
IMPORTANT
Earn 100

Why a man falling from the same height is hurt more if he lands on a concrete floor than if he falls on sand?

Important Questions on Newton's Laws of Motion

EASY
11th West Bengal Board
IMPORTANT
Show that acceleration of a body down a smooth inclined plane is less than that of vertical fall.
EASY
11th West Bengal Board
IMPORTANT
If the force acting on a body is doubled, what change occurs in the body?
EASY
11th West Bengal Board
IMPORTANT
Which information we get from the impulse of a force ?
EASY
11th West Bengal Board
IMPORTANT
Is momentum a vector quantity ?
EASY
11th West Bengal Board
IMPORTANT
A golf ball and a blob of mud having the same mass and velocity strike a wall. Which will impart greater impulse and why ?
EASY
11th West Bengal Board
IMPORTANT
Though a gun and the bullet fired from it get equal and opposite momentum, the recoil of gun can easily be endured but the bullet is deadly. Why?
MEDIUM
11th West Bengal Board
IMPORTANT
One kilogram mass is suspended by a thread A. From the bottom of the mass, another piece of identical thread B is fixed. If a slow and steady pull P is given at the end of the thread B the thread A snaps. But a quick pull P does break the thread B. Why ?
EASY
11th West Bengal Board
IMPORTANT
Why do you fall forward when a moving bus decelerates to a stop and fall backward when the bus accelerates ? Who pushes you ?