Things You'll Need
Instructions
Draw a diagram of the cable with the object attached at the end, exactly as how it is represented in real life. This will allow you to eventually visualize the forces at work in this situation.
Label the appropriate areas for mass (kilograms) and gravity (equal to the constant of 9.8 meters per second-squared) and add in velocity (speed) and acceleration (change in speed over time, which in this case would be in seconds) as you proceed.
Compute the force of the object when at rest. Force is the product of mass and acceleration, normally written in the equation of F = ma. Weight is a special case of that formula, where you substitute the acceleration of gravity, g, for a.
If the object is attached to a cable, you can divide the length of the cable by the amount of force being exerted on it. This measurement is called the tensile strength, and would provide the measurement of tension in the cable or wire ̵2; or, if more than one, per cable or wire.