Question

write 2 piont on friction as a foe and as a friend

Answer 1

Friction as foe
1.Friction is responsible for wearing out of moving parts
2.Friction is responsible for causing heat which causes fire
Friction as friend
1.Friction enables us to write ,play ,eat ,stand
2.Friction helps to apply brakes on vehicles
Hope it helped u.....
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Answer 2

Friction can be both friend and foe.
FRIEND:
1 It helps in construction of buildings.
2 It helps in walking on the ground.
FOE:
1 soles of shoe and tyres of vehicles wear out due to friction.
2 friction can also produce heat. so it can damage the machines.
Hope this well work