Answer:
Desirable effects of friction are : 1. It helps us in movement. walking is just not possible without friction.
...
Undesirable effects of friction are :
1)Friction produces a lot of heat.
2)Friction causes wear and tear of objects.
3)To overcome friction a lot of energy is wasted.
pa brainlest po
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Answers & Comments
Answer:
Desirable effects of friction are : 1. It helps us in movement. walking is just not possible without friction.
...
Undesirable effects of friction are :
1)Friction produces a lot of heat.
2)Friction causes wear and tear of objects.
3)To overcome friction a lot of energy is wasted.
pa brainlest po