lever (lift mass)

The Weight Lifted by Leverage calculator (`W = F * y/x`) computes the mass (W) that can be lifted by the use of a lever when the downward mass / weight and the two lengths (x and y) on either side of the fulcrum are known.

INSTRUCTIONS:  Choose units and enter the following:

• (F)  Downward Force (weight) opposite the fulcrum from the object.
• (y) Length of Beam on opposite side of fulcrum from the object (see diagram).
• (x) Length of Beam on object's side of fulcrum (see diagram)

Weight Lifted by Lever (W): The calculator computes the mass/weight (W) in kilograms.  However this can be automatically converted to other mass or weight units via the pull-down menu.

The Math/Science

A lever is a simple machine where the ratio of the product of the lengths and forces on opposite sides of a fulcrum are equal.

Mechanical Leverage Functions

• (y) Beam Length: computes the required length of a beam above the fulcrum for a lever to raise a weight (W) based on the downward weight applied (F) and the length below the fulcrum (x).
• (W) Lift Weight: computes the weight that can be lifted with a lever based on the length of the beam (y) above the fulcrum, the length (x) below the fulcrum and downward weight applied (F).
• (x) Fulcrum Position: computes the length from the object to the fulcrum needed in a lever to lift a weight (W) with a downward force (F) with a beam of length (L), where L = x + y (see below).
• (F) Downward Force or Weight: computes the mass needed to create the downward force (F) to raise the object with a lever.
• L = x+y : computes the sum of two lengths

Simple Machine Calculators

• Lever Beam Length 
• Leverage Lift Weight 
• Fulcrum Position 
• Belt Length 
• Belt Speed
• RPMs to Linear Velocity
• RPMs from linear velocity and diameter 
• 2nd Pulley RPMs
• 2nd Pulley Diameter 
• RPM of 4th pulley on three shafts 
• 2nd Gear RPM 
• Sum of Two Lengths
• Second Gear Torque
• Leadscrew Torque (lift)