Question

Е.
1.
for your answer.
2.
Explain, by giving an example, that a moving object can do work.
A porter keeps standing at a place while holding a suitcase of mass 20 kg
3.
your answer.
4.
Define the term 'energy'. Describe an activity to show the inter-relationship
between work and energy.
Name a device which converts-
5.
(a) electrical energy into light energy.
(b) sound energy into electrical energy.
(c) chemical energy into electrical energy.
Answer the following questions.
Is there a difference between 'applying a force and doing work'? Give reason
over his head for five minutes. Has he done some work? Give reason for your answer​

Answer 1

Answer:

5.sorry I didn't know this one

Explanation:

i hope it will help you