Answer to Question #264221 in Physics for Sumpa

Question #264221

How many pounds of force would it take for a class three lever to develop 230

pounds of resultant force if applied force arm is 18 and ¼ inches, and the resultant

force arm is 36 and 7/8 inches?

Expert's answer

The force is

"F=f\\frac{L}{l}=230\\frac{36+7\/8}{18+1\/4}=465\\text{ lbf}"

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. How many kilograms can a 100 kilogram man lift with a class two lever if the force arm is 5 feet lon
2. What volume of alcohol with the density 8.4*100 will have the same mass as 4.2m of petrol whose dens
3. A car moves around a bend of radius 20m with an acceleration of 12ms-2. What is the maximum speed th
4. A particle is oscillating with simple harmonic motion of amplitude 15cm and frequency 4 Hz.Compute (
5. On the + y axis a laser is located at y = + 3.0 cm. The coordinates of a small target are x = + 12.0
6. You place an object 22 cm in front of a concave lens with a focal length of -35 cm. Find the image d
7. You place an object 22 cm in front of a concave lens with a focal length of -35 cm. Find the image d