Consider an axle used to drive the wheels of a car. The wheel radius is 11.25 inches, while the axle radius is 1.25 inches. What is the mechanical advantage?

The wheel on your bicycle has a 14 inch radius, what is the linear distance it would travel in 3 revolutions?

What is the mechanical advantage of a 1/4-20 UNC x 2″ bolt?

An inclined plane has a mechanical advantage of 10. If an effort of 20 pounds is needed to push a wheelchair up the inclined plane. What is the weight of the wheelchair?

What is the overall gear ratio of the following gear train?(Gear A {input} has 20 teeth, B has 35 teeth, C has 45 teeth, and D {output} has 80 teeth)

A block and tackle system with 3 supporting strands is used to lift a large metal plate in a automotive factory. What is the effort force of the motor needed to lift a 90 lb plate?

Given a second class lever with a distance of 5′ from the fulcrum to the effort and a distance of 33″ from the resistance to the fulcrum, what is the maximum amount of weight that can be lifted with 2

Suppose a wheel with an 8.5 diameter is used to turn a water valve stem with a diameter of .65 inches. What is the mechanical advantage?

A fixed pulley system has 4 strands with only 3 supporting. How many pounds of effort would be needed to lift a 600 lb weight?

Highway Design Introduction The design of highways is perhaps the only element in the entire highway development process. Throughout history, detailed highway design occurs when the process is continu