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

Question

2 years ago

13

erson weighing 650 N sits on the sled, what force is needed to pull the sled across the snow at constant speed?

2 answers:

Tems11 [23] · Answer 1 · 2023-03-08T05:37:47+03:00

7 0

Answer:

is there a pic?

Explanation:

7nadin3 [17] · Answer 2 · 2023-03-08T07:43:21+03:00

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