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Cuti Terancang 2 - Fizik Tingkatan 4

Nama : Kelas :

1. The figures below shows the arrangement of apparatus in an experiment to determine the relationship between the extension, eof a spring T with weight, W.The relationship ofeand Wis shown in the graph.

a) Based on the graph,

i. Mark with a cross (x

) the elastic limit of the spring.

ii. Name the law that is related to the graph before the elastic limit is exceeded.

iii. State the relationship between Wand ebefore the elastic limit.

iv. Determine the value ofewhen W= 8 N. Show on the graph, how youdetermine the value ofe.

b) The spring stores energy when it is extended.

i) Name the type of energy stored in the spring.

ii) Calculate the force constant of the spring in SI unit.

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iii) Calculate the area under the graph, when the spring is extended from o cm to 4 cm.

iv) Calculate the energy stored in the spring when it is extended by 4 cm.

v) What is the relationship between area under the graph and the energystores in the spring.

c) Another spring T is added parallel with the spring T as shown in the figure below.

Sketch the graph of W against e for this experiment on the graph.

Tanda tangan (ibu bapa)

( )

W / N