Physics

Which law is used to explain the recoil of a gun?

Calculate the force of attraction between two bodies of mass 1 kg each separated by 1 meter distance.

If a body floats in a liquid, then:

Relative density has which of the following units?

When a bus starts suddenly, the passengers tend to fall backwards. This is due to:

The gravitational force between two masses is independent of:

If the mass of a planet is 4 times Earth's mass and its radius is 2 times Earth's radius, what is 'g' on that planet?

A body of volume 0.1 m^3 is fully immersed in water. Calculate the upthrust. (density of water = 1000 kg/m^3, g = 10 m/s^2)

The value of acceleration due to gravity (g) is maximum at:

The atmospheric pressure at sea level is approximately:

What is the direction of gravitational force?

A spring balance measures:

If the Earth stops rotating, the value of 'g' at the equator will:

What is the density of an object that has a mass of 50 kg and a volume of 2 m^3?

Which of the following follows from Pascal's law?

A balloon filled with hydrogen gas rises in the air because:

A force of 10 N acts on a body of mass 2 kg. What is the acceleration produced?

What is the term for the maximum weight a body can have in a fluid?

The velocity of a freely falling body is independent of its:

Which of the following has the highest density?