MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why are board-pins made sharp?

Important Questions on Force and Pressure

EASY
8th CBSE
IMPORTANT
Define pressure and its SI unit.
MEDIUM
8th CBSE
IMPORTANT
How is the height of a liquid column affected by atmospheric pressure? Explain with the help of an activity.
EASY
8th CBSE
IMPORTANT
Differentiate between: contact force and non-contact force.
EASY
8th CBSE
IMPORTANT
Differentiate between force and pressure.
MEDIUM
8th CBSE
IMPORTANT
How will the pressure vary if force is doubled while keeping the area constant?
EASY
8th CBSE
IMPORTANT
How will the pressure vary if force and area both are tripled?
EASY
8th CBSE
IMPORTANT
How will the pressure vary if the area is doubled while keeping the force constant?
MEDIUM
8th CBSE
IMPORTANT
Give reasons: Camels walk easily on the sand.