SPECIFICATIONS:

* The horizontal arm is of 75 cm and vertical arm is of 20 cm.

* A wooden right angled lever with fulcrum at the angle

* A device with a pioneer and roller is applied to magnify strains

* complete with four weights of 0.5, 1, 1.5 and 2 kg ( one weight each)

* Spring balance with adjustable wing nut is attached to the shorter arm.