Fill in the blanks.

1. Work is said to be done when a __________ moves a body in its own direction.
2. If a force causes zero displacement, then work done is ________.
3. When work is done by a body , it's loses __________.
4. 1 kgf m = __________ J.
5. When we pedal a bicycle, the ___________ energy gets converted into the __________ energy of the bicycle.

State whether the following statements and true (T) and false (F). Correct the false statement.

1. 1 J = 1 N m.
2. Work and energy are two independent terms.
3. Kinetic energy of a body is the energy possessed due to its position.
4. A potential of a body depends on it's mass , velocity and height above the ground.
5. A wound spring of a watch or a toy car has gravitational potential energy strored in it.
6. Roller coaster ride is an example of energy transformation.

Match the columns.

Show in the form of a flowchart, the types of mechanical energy, units and examples.

Show in the form of a flowchart, the energy transformation taking place in a power plant.