MEDIUM
6th CBSE
IMPORTANT
Earn 100

Six helium balloons can lift a teddy bear of weight 50 N. If the radius of each helium balloon is 2π, calculate the pressure inside each balloon.

Important Questions on Force and Pressure

MEDIUM
6th CBSE
IMPORTANT
A silver cube of base area of 30 m2and mass 2 kg is melted and changed into a cuboid of area of cross section 2 m2. Calculate, how much pressure is increased on a plane surface when both the cube and cuboid made vertically stand.