Mechanics

Universal force table :- two verify the laws of triangle parallelogram and polygon of forces, comprises of a circular 40 cm dia aluminum disc. Graduated in 360 degrees. Complete with leveling screws clamping device to fix the table at any desired angle five sliding clamp, pulleys, central ring, string & five sets of iron nickel slotted wts. Each set containing nine weights and one hanger of 50 gm cap.

LInk Polygon Appts :- The said appts is consists of five linkages, and connectors, having hooks to which pans are hung these are fixed between two pulleys around which, rope is run to connect the extension type spring Balance It is also useful for the study of arches, abutments and Piers, The wooden rectangular beam is fitted with scale, without wts set.

Polygon of Forces Appts :- It consists of a wooden board of size 75 x 70 cms, Provided with Two wall brackets and four adjustable frictionless aluminium Z Pulleys complete with four one Kg. wets and one scale pan.

a) Compound Lever :- It comprises of two iron beams connected to each other and fitted on two different stands, well balanced with a pan All those metal parts like stands etc. are fitted on nicely polished wooden base, complete with 1 Kg wts and a physical iron N.P. Wt. Box of 50 gm capacity.
b) Crancked Compound lever :- All metal parts mounted on a nicely polished wooden base, with spring balance, and a set of slotted wts.

Simple Jib Crane :- It consists of a tubular compression balance; Pivoted about an axis fitted to the base The tie chain has adjustable angle brackets and fitted with 1.2 meter Jib, but w/o wts.

Coil friction appts :- it consists of a aluminium matelled drum and three frictionless polleys, which is mounted on a wooden board of size 60 x 75 CMS the said pulleys can be fixed to give a lap of 1/4 or the 3/4 full circumference of the drum, complete with a cord and two pans, w/o wts.

a) Screw Jack :- All metallic constructions and a accurately machine cut screw with a pitch of 5 mm crrying a double flanged turn table of about 20 cm dia fitted on a heavy cast iron base and complete with two adjustable pulleys cord & hooks without wts.
b) Screw Jack :- Small size, experimental demonstration type model with an aluminium turned pulley of about 10 cm dia is fitted on a screw jack which is fitted on a 12cm dia metallic circular base with an adjustable pulley and a linear vertical scale, over all height is about 15 cms with out wts.

Lever of three order :- graduated on the teak wood stand polished (set of three) half meter long.

a) Law of Moments Apparatus :- Comprising a wooden balanced disc with symmetrically placed holes in concentric circles of known diameter capable of rotation about its centre. Stand with scale, plumb bob and two scale pans without weights.
b) Law of Moments Apparatus :- Same as above but with aluminium balanced disc.