What is the work done on the refrigerator by the machine

Assignment Help Physics

Reference no: EM13499097

A mover's dolly is used to transport a refrigerator up a ramp into a house. The refrigerator has a mass of 108 kg. The ramp is 2.10 m long and rises 0.850 m. The mover pulls the dolly with a force of 497 N up the ramp. The dolly and ramp constitute a machine.

(a) What work does the mover do?

(b) What is the work done on the refrigerator by the machine?

Reference no: EM13499097

Questions Cloud

How much force does the rope exert on the crate : Sally expends 10320 J of energy to drag a wooden crate 24.7 m across a floor with a constant speed. The rope makes an angle of 48.0° with the horizontal. How much force does the rope exert on the crate

Explain cyclohexane has a freezing point : Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane

How much work is done by brutus lifting the weights : Brutus, a champion weightlifter, raises 240 kg of weights a distance of 2.70 m. How much work is done by Brutus lifting the weights

Define the surroundings to the system : A piston performs 450 L*atm of irreversible work on the surrounding, while the cylinder in which it is placed expands from 10. L to 25L. At the same time, 45 J of hear is transferred from the surroundings to the system.

What is the work done on the refrigerator by the machine : A mover's dolly is used to transport a refrigerator up a ramp into a house. The refrigerator has a mass of 108 kg. What is the work done on the refrigerator by the machine

Call and write methods with parameters and return values : Call and write methods with parameters and return values.

Explain if the room temperature is 300 k what mass of ice : If the room temperature is 300 K what mass of ice can be produced in 1 hour by a 0.35-hp motor that is running continuously. Assume that the refrigerator is perfectly insulated and operates at the maximum theoretical efficiency.

What light intensity emerges from the last filter : Unpolarized light of intensity I_0 is incident on a stack of 7 polarizing filters, each with its axis rotated 15 (degrees) cw with respect to the previous filter. What light intensity emerges from the last filter

Explain each of the four cylinders of a combustion engine : Each of the four cylinders of a combustion engine has a displacement of 2.0L. If each pison in the four cylinders is displaced against a pressure of 2.0 atm and each cylinder is ignited once per second

User Account

All Pages