Science Questions

What is the work done in lifting a 5 kg object to a height of 2 m?

If a force is perpendicular to the displacement, the work done is:

The kinetic energy of an object of mass 'm' and velocity 'v' is:

A man carries a 5 kg load on his head and moves 10 m along a horizontal path. The work done by him against gravity is:

The energy of an object increases when work is done ... it.

If a body of mass 10 kg is moving with a velocity of 2 m/s, its kinetic energy is:

What is the SI unit of work?

Which of the following is the scalar quantity among these?

What is the formula for calculating gravitational potential energy?

One horsepower (1 HP) is equal to how many Watts?

When a body falls freely towards the earth, its total energy ____.

The energy stored in a stretched spring is called:

What happens to the kinetic energy of an object if its velocity is doubled?

Work done is zero when the angle between force and displacement is:

Power is defined as:

Which device converts electrical energy into mechanical energy?

The capacity of a body to do work is called:

If a force of 10 N moves a body through 2 m, the work done is:

Which of the following is a non-renewable source of energy?

The energy possessed by a body due to its motion is: