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Fawz Naim Grade:

give an example where friction causes an increase in the kinewtic energy

7 years ago

Answers : (2)

879 Points

Dear student,

When friction supplies the force that accelerates the object.

Tires on an accelerating car (Friction between tires and road)

Box dropping onto a moving belt (Friction between box and belt)

A runner at the start of a race (Friction between shoes and ground)

Swimmer at start of race (Feet to edge of pool)


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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

7 years ago
vikas askiitian expert
510 Points

when a body is rolling with some angular velocity & no linear velocity on a frictious surface then friction force acts in foreward direction & supports the linear motion...

here friction acts as driving force & thus Kinetic energy is increased....

7 years ago
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