The capacity of doing work is called energy.
Important Questions on Force, Work and Energy
A nut-cracker is an example of a lever.
Fill in the blank space using the right word.
The direction of a football in a match is changed due to the _____ applied by the player.
Fill in the blank space using the right word.
The amount of work done depends on _____ (Force/ Energy) and distance.
_____ is the ability to do work.
Fill in the blank space using the right word.
Levers, pulley, etc., are examples of _____ machines.
Fill in the blank space using the right word.
The food we eat also has stored _____ (Chemical/ Potential) energy.
| Column A | Column B |
|
1. The pull by which the earth pulls each object towards its centre |
(a) potential energy |
|
2. A simple machine frequently used by us |
(b) solar energy |
|
3. The energy due to position of an object |
(c) gravity |
|
4. The force that opposes motion of a body |
(d) knife |
| 5. The energy circulating in all living beings | (e) friction |
