Physics, 09.06.2020 20:57 Alohanikolas
A factory worker pushes a 30.0 kg crate a distance of 3.7 m along a level floor at constant velocity by pushing downward at an angle of 30∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25.
Required:
a. What magnitude of force must the worker apply?
b. How much work is done on the crate by this force?
c. How much work is done on the crate by friction?
d. How much work is done on the crate by the normal force? By gravity?
e. What is the total work done on the crate?
Answers: 2
, b) 
, c) 
, d) 
; 
, e) 
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A factory worker pushes a 30.0 kg crate a distance of 3.7 m along a level floor at constant velocity...
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