Mechanics

Energy conservation means –

The energy of wind is –

In wind power, which form of energy is converted into electrical energy?

Which of the following energy changes involves frictional force?

Match List-I with List-II and choose the correct answer from the code given below – List-I (Energy Conversion) A. Light to electric B. Electric to sound C. Mass to heat D. Chemical to heat and light List-II (Device/Mechanism) 1. Car Braking 2. Nuclear reactor 3. Loudspeaker 4. Solar cell 5. Fuel combustion

Who is the first person to define speed?

Newton's first law of motion is known as

As the train starts moving, the head of the passenger sitting inside leans backward because of –

A bus is moving along a straight path and takes a sharp turn to the right side suddenly. The passengers sitting in the bus will :

Static science is associated with –