Science Questions

The value of 'g' is minimum at:

A vector quantity has both magnitude and:

Weight is a:

If the mass of a body is 10 kg, what is its weight on Earth? (Take g = 10 m/s²)

A force of 50 N acts on an area of 2 m². The pressure is:

What happens to the gravitational force between two masses if the distance between them is doubled?

If the mass of the earth is M and its radius is R, the acceleration due to gravity g is given by:

A hydraulic lift has pistons of area 2 m² and 10 m². If 100 N is applied to the small piston, what is the force on the large one?

The density of a substance is 2500 kg/m³. Its relative density is:

An object weighs 10 N in air and 8 N when fully immersed in water. What is the upthrust acting on it?

Liquid pressure at a point inside a liquid does NOT depend on:

A car starts from rest and reaches a speed of 20 m/s in 5 seconds. If its mass is 1000 kg, the net force is:

Two masses are 10 kg and 20 kg, separated by 2 m. The gravitational force between them is (G is universal constant):

The state of a body when the net force acting on it is zero and it is falling under gravity is called:

What is the mass of an object whose weight is 49 N on Earth? (g = 9.8 m/s²)

Atmospheric pressure at sea level is approximately:

When a body is partially or fully immersed in a fluid, it experiences an upward force equal to the weight of the fluid displaced. This is:

Calculate the pressure exerted by a column of water 10 m high. (Density of water = 1000 kg/m³, g = 10 m/s²)

The value of 'g' at the poles is:

Momentum of a body of mass 5 kg moving with 10 m/s is: