Tamia L.
asked • 11/02/20
A 42.2 kg sled is pulled forward with a 143 N force across ground with uk = 0.269. What is the net force on the sled?
Frank A.
answered • 11/02/20
Knowledge, experience and insight from decades of teaching physics.
A 42.2 kg sled is pulled forward with a 143 N force across ground with uk = 0.269. What is the net force on the sled
Frictional force = µkR
= 0.269 x 42.2 x 9.81 = 111.36
net force = 143N - 111.36N = 31.64N
Mr. A
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