Sunday
March 29, 2015

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

Algebra - (I got part a and b but not part c. Can you please explain to me how ...
MATH-PLEASE HELP :( - Consider the Venn diagram below. The numbers in the ...
Math-Please help :( - Consider the Venn diagram below. The numbers in the ...
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 - two movers have to lift a refrigerator into a truck. one of the movers...
algebra - In our math 116 we have a reading problem , it has several steps to it...
algebra - this is my last questions and I'm stumped can someone help, if not I'...
physics - a box with mass 20kg rests on a frictionless ramp with a 15degree ...
Math - You recently started the paperwork to purchase your new home, and you ...

Members