Question

TEN
Answer in short
(4X3=12)
a. Explain how the use of CNG in automobiles has reduced pollution in
our cities,
b. When is the pressure on the ground more - when a man is lying or
when a man
is standing?
Explain.
Paper by itself catches fire easily whereas a piece of paper wrapped
around an aluminium pipe does not.
Distinguish Between Weight and mass
A brick of weight 80N stands upright on the ground as shown. What is
the pressure it exerts on the ground?
10 cm
5 cm
3
20 cm

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Answer 1

Answer:

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