Saturday
November 22, 2014

Homework Help: physics

Posted by Cynthia on Saturday, June 13, 2009 at 11:40pm.

You exert a force of 455N in pulling 15.0m of rope using a pulley system to lift a 935N object 5.0m. What is the efficiency of the pulley system?

Please help, I appreciate it a lot.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - a) In raising a 4800 N piano with a pulley system, the workers note ...
Physics - A massless string runs around two massless, frictionless pulleys, ...
physics - A pulley system reduces the effort of lifting a big bucket of water ...
physics - The efficiency of a pulley system is 81 percent. The pulleys are used ...
Physics - A pulley system has an efficiency of 78.0 per- cent. The acceleration ...
physics - A pulley system is 76% efficient. If a 9000 kg box is lifted a ...
physics - An arrangement of two pulleys, as shown in the figure, is used to lift...
Physics - An arrangement of two pulleys, as shown in the figure, is used to lift...
physics - An arrangement of two pulleys, as shown in the figure, is used to lift...
9th grade - Mr. Mistís ramp broke so he tried to lift the his 150 Newton box of ...

Search
Members