Wednesday
July 30, 2014

Homework Help: Physics

Posted by lulu on Wednesday, January 21, 2009 at 8:13pm.

A worker uses awhell and axle with inner radius of 20cm and outer of 50 cm to lift a 2400N object.
a) What is the mechanical advantage of the simple machine?
b) What force must the worker exert to lift the object?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A worker uses awhell and axle with inner radius of 20cm and outer of ...
Physics- Simple machines - A wheel and axle arrangement has an axle with a ...
physics - a concave mirror of diameter 40m is used with a 6cm tall object placed...
physics - a concave mirror of diameter 40m is used with a 6cm tall object ...
Physics - A wheel and axle arrangement has an axle with a diameter of 25cm. A ...
Physics - A capacitor consists of two concentric spherical shells. The outer ...
science - how a pulley works and mention its mechanical advantage? a pully work ...
physics - A capacitor consists of two concentric spherical shells. The outer ...
PHYSICS - he magnetic coils of a tokamak fusion reactor are in the shape of a ...
Physics - When standing erect a person's weight is supported chiefly by the ...

Search
Members