UNIT 2: III. Work and Energy

Kinetic energy is the energy possessed by an object due to its:

Match the following

• Energy

• SI unit of energy = unit of

• Work

• When work is done on an object, there is always a transfer of:

• Position or configuration

• Potential energy is due to?

 Which of the following is an example of work being done against gravity?

• a) A ball rolling on a flat surface.

• b) A book falling from a table.

• c) Lifting a box from the floor to a shelf.

• d) A pendulum swinging back and forth

Which of the following is an example of potential energy being converted into kinetic energy?

• a) A car moving on a flat road at a constant speed.

• b) Water flowing downhill from a reservoir.

• c) A light bulb emitting light.

• d) A plant growing using sunlight.

Categorize the following as "Work done" or "No work":

Groups:

(a) WORK DONE

,

(b) NO WORK

• 
• 
• 
• 

A spring stores which type of potential energy when it is compressed or stretched?

• a) Gravitational potential energy

• b) Elastic potential energy

• c) Chemical potential energy

• d) Nuclear potential energy

​  Power is defined as the rate at which: