Asked by Maria Ellah
A 100 lb crate is being pushed across a wooden floor with a force of 40 lb. If mu=0.3, find the acceleration of the crate.
Answers
Answered by
drwls
a = Fnet/m
Mass m must be in slugs
m = 100/32.2 = 3.106 slugs
Fnet = 40 - 0.3*100 = 10 lb
Solve for a. It will have units of ft/s^2.
Divide that by 32.2 ft/s^2 if you want acceleration in g's.
Mass m must be in slugs
m = 100/32.2 = 3.106 slugs
Fnet = 40 - 0.3*100 = 10 lb
Solve for a. It will have units of ft/s^2.
Divide that by 32.2 ft/s^2 if you want acceleration in g's.
Answered by
Maria Ellah
thank you!
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