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natta225 [31]
2 years ago
13

A boy exerts an unknown horizontal force as he pulls a 52 N sled across packed snow. The coefficient of friction is 0.12. If a p

erson weighing 650 N sits on the sled, what force is needed to pull the sled across the snow at constant speed?
Physics
2 answers:
Tems11 [23]2 years ago
7 0

Answer:

is there a pic?

Explanation:

7nadin3 [17]2 years ago
5 0

Answer:

0.62

Explanation:

Ff = mg = 52 N

Since the speed is constant, the friction

force equals the force exerted by the

girl, 36 N.

Ff = ukFn

so uK = Ff/Fn

= 36 N/52 N

= 0.69

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