A spring balance has a scale that reads from 0 to 50 kg. The length of the scale is 20 cm. A body suspended from this balance, when displaced and released, oscillates with a period of 0.6 s. What is the weight of the body?

A spring balance has a scale that reads from 0 to 50 kg. The length of

1.	A spring balance has a scale that reads from 0 to 50 kg. The length of the scale is 20 cm. A body suspended from this balance, when displaced and released, oscillates with a period of 0.6 s. What is the weight of the body?
Answer» Solution :Spring constant `=(50kg)/(0.2 m)="250 kgm"^(-1)` We know that `T=2pisqrt((m)/(k)), T=0.6s"(GIVEN)"` `"i.e."m=(kT^(2))/(4PI^(2))=(250xx(0.6)^(2))/(4xx(3.142)^(2))` `m=2.279kg`. Mass of the body `=2.279 kg` and its WEIGHT is 2.279 kg wt.