Question

Spring balance , measuring weight .Observe the diagram carefully and answer the following questions.

1. Identify the instrument shown in the diagram.
2. Label its parts.
3. Write its one use.

Answer 1

1. Instrument shown in the figure is Spring balance.
2. Parts: metallic case, slit, spring, pointer.
3. Spring balance is used to measure the weight of a body at a given place.

1. Spring balance consists of a spring enclosed in a metallic case .
2. The body to be weighted is hang to the hook at the lower end of the spring.
3. When the weight is attached the spring gets elongated .It rest against the scale graduated on the metallic case.
4. Spring balance is used for measuring the weight