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) 
Other questions on the subject: Physics
Physics, 22.06.2019 11:00, velazquezemmy45
What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.
Answers: 1
Physics, 22.06.2019 19:30, cierraandgarett8950
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 1
Physics, 23.06.2019 01:30, gameranonymous266
The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.
Answers: 2
Physics, 23.06.2019 03:50, ginger87771
Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
Answers: 1
You know the right answer?
A factory worker pushes a 30.0 kg crate a distance of 3.7 m along a level floor at constant velocity...
Questions in other subjects:
World Languages, 19.12.2019 22:31
Mathematics, 19.12.2019 22:31
Mathematics, 19.12.2019 22:31
Mathematics, 19.12.2019 22:31
