Question

Answer the following question in 60 to 80 words ?
Q. 1 State two advantages and two disadvantages of friction ?
Q. 2 what are the two properties of pressure exerted by liquid? give one example each to explain this property?
answer
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Answer 1

Answer:

nope

no

you should

ask questions one by one

Answer 2

Answer:

1. Friction produces unnecessary heat leading to the wastage of energy. The force of friction acts in the opposite direction of motion, so friction slows down the motion of moving objects. ... A lot of money goes into preventing friction and the usual wear and tear caused by it by using techniques like greasing and oiling.

2. The pressure in a liquid acts in all directions. Liquid pressure increases with depth. Liquid pressure remains the same in all directions at a given depth. Liquid pressure depends upon the density of the liquid

Explanation:

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