Friday
April 18, 2014

Homework Help: Physics

Posted by NIQUEFROMDALLAS on Saturday, November 15, 2008 at 2:15pm.

I have no idea on how to do either part of these questions please help

(part 1 of 2)
To move a refrigerator of mass 110 kg into a house, a mover puts it on a dolly and covers the steps leading into the house with a wooden plank acting as a ramp. The plank is 8.8 m long and rises 3.6 m. The mover pulls the dolly with constant velocity and with a steady force 730 N up the ramp. How much work does he perform? The acceleration of gravity is 9.8 m/s2 . Answer in units of J.
(part 2 of 2)
What is the minimal work required to lift the refrigerator into the house? Answer in units
of J.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

MATH-PLEASE HELP :( - Consider the Venn diagram below. The numbers in the ...
Math-Please help :( - Consider the Venn diagram below. The numbers in the ...
physics - A 9.3 kg firework is launched straight up and at its maximum height 45...
Physics help please - The drawing shows a collision between two pucks on an air-...
physics - A BLOCK OF MASS 20KG MOVING WITH A SPEED OF 18 KM/H EXPLODES AND ...
Physics - A person pushes on a 56-kg refrigerator with a horizontal force of -...
Physics - A person pushes on a 60-kg refrigerator with a horizontal force of -...
MATH - Consider the Venn diagram below. The numbers in the regions of the circle...
Math - Consider the Venn diagram below. The numbers in the regions of the circle...
physics - A 9.3 kg firework is launched straight up and at its maximum height 45...

Search
Members