EASY
11th West Bengal Board
IMPORTANT
Earn 100

What are pseudo forces? Why it is so called?

Important Questions on Newton's Laws of Motion

EASY
11th West Bengal Board
IMPORTANT
A man situated in a frame moving with acceleration in the horizontal direction, observes a block of stone in that frame to be at rest. How should we explain its state of rest?
EASY
11th West Bengal Board
IMPORTANT
Why the action and its equal and opposite reaction force cannot balance each other ?
EASY
11th West Bengal Board
IMPORTANT
Why in the universe a single force cannot be produced ?
EASY
11th West Bengal Board
IMPORTANT
On which principle jet engine or rocket moves ?
EASY
11th West Bengal Board
IMPORTANT

Can rocket fly in vacuum?

EASY
11th West Bengal Board
IMPORTANT

Can a jet plane fly in vacuum?

EASY
11th West Bengal Board
IMPORTANT
What is the sense of weight ?
EASY
11th West Bengal Board
IMPORTANT

When does a man feel himself heavier than his normal weight?