Subject Experts Solutions for Chapter: Force and Pressure, Exercise 3: Exercises

If the height above the sea level increases, atmospheric pressure will _____(increase/decrease).

The perpendicular distance from the pivot of a rotating body to the line of action of the force is known as the moment arm.

Pressure is inversely proportional to the force applied.

Wooden sleepers are placed under railway tracks in order to increase pressure on the ground.

Pressure is independent of the roughness of the surfaces in contact.

Skis have a large surface in order to reduce the pressure on snow.

Liquids seek their own level regardless of the shape and cross-sectional area of the vessels they are kept in.

The standard value of atmospheric pressure is about $1,50,000 \mathrm{Pa}$.