Question

1.
for your answer.
your answer.
Define the term 'energy'. Describe an activity to show the inter-relationship
between work and energy.
5.
Name a device which converts-
(a) electrical energy into light energy.
(b) sound energy into electrical energy.
(c) chemical energy into electrical energy.
Unser the following questions.
Is there a difference between 'applying a force' and 'doing work'? Give reason
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
over his head for five minutes. Has he done some work? Give reason for​

Answer 1

Answer:

(i) bulb

(ii) microphone

(iii) battery

please mark as brainlist.

Answer 2

Bulb is the best of one