Friday
August 22, 2014

Homework Help: physics

Posted by jaslyen on Sunday, November 6, 2011 at 7:26pm.

A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force.
A) What is the work input of the mover?
B) What is the moverís power if the task takes 10s?
C) If the mass of the couch is 100 kg and the back of the truck is 1.5 m high, what is the work output of the ramp?
D) What is the efficiency of the ramp?
E) What is the mechanical advantage of the ramp?
F) What is the ideal mechanical advantage of the ramp?

My answer please check if i am correct
A.2000 J
B. 200 W
C. 1470 J
D. 34 %
E. 2.94
F. 2.66

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A mover pushes a couch a distance of 4 m to the top of a ramp into ...
Physics - A couch with a mass of 100 kg is placed on an adjustable ramp ...
physics - two movers have to lift a refrigerator into a truck. one of the movers...
physics - A 50kg barrel of Bud is rolled up a 10 meter ramp to the back of the ...
physics 2 - A man is dragging a trunk up the loading ramp of mover's truck. The ...
Physics - Two movers have to life a refrigerator onto a truck. One of the movers...
Physics - A man is dragging a trunk up the loading ramp of a mover's truck. The ...
physics - A man is dragging a trunk up the loading ramp of a mover's truck. The ...
physics - 20.) A piano has been pushed to the top of the ramp at the back of a ...
Physics - A piano has been pushed to the top of the ramp at the back of a moving...

Search
Members