SSLC Science and Technology NIOS IV

Law of conservation of energy states:

SI unit of density is:

Work is done when:

SI unit of power is:

Mechanical energy =

SI unit of work is:

Upward force exerted by liquid is called:

Work done against gravity increases:

Free fall means:

When work is done, energy is:

Kinetic energy =

A machine with higher power does work:

Potential energy depends on:

Density =

If buoyant force > weight, object will:

SI unit of force is:

Work =

The value of G is:

1 kWh equals:

According to Archimedes’ principle, buoyant force equals:

If displacement is zero, work done is:

The force of gravity depends on:

The force that keeps planets in orbit around the Sun is:

The force that attracts objects towards the centre of the earth is called:

Pressure in liquids increases with:

Energy stored in a stretched spring is:

Relative density has:

The gravitational force between two objects increases when:

SI unit of weight is:

Mass of an object is:

A body at rest has:

Weight is a:

The energy possessed by a moving body is:

Work is done when:

Power =

If height increases, potential energy:

SI unit of pressure is:

Weight of an object on Moon is about:

Kinetic energy depends on:

Gravitational force was discovered by:

SI unit of energy is:

A ship floats in water because:

The weight of an object is:

Potential energy =

When an object is in free fall, its acceleration is:

Commercial unit of electrical energy is:

The value of acceleration due to gravity (g) on Earth is:

SI unit of gravitational constant (G) is:

1 watt =

Energy is the capacity to do: