Ijmb Model Questions Vol1 2017 Physics Question 4

Practice practical question 4 from the 2017 Ijmb Model Questions Vol1 Physics examination. This question covers Forces .

Ijmb Model Questions Vol1 2017 Physics Practical

Topic: Forces

Question 4 IJMB_MODEL_QUESTIONS_VOL1 • 2017 • PHYSICS • practical

A vertical spring of unknown stiffness is investigated using a set of standard masses. The following data are recorded: Mass (kg) : 0.20 0.40 0.60 0.80 Extension (cm) : 2.5 5.1 7.6 10.2 Take g = 9.8 m s⁻². The spring is assumed to obey Hooke’s law.

Question Parts

( a )

Plot a graph of extension (x in metres) against the applied load (F = mg in newtons). From the graph determine the gradient and hence calculate the spring constant k.

( b )

Using the value of k obtained, calculate the mass of an unknown object that produces an extension of 12.8 cm.

( c )

State two possible systematic errors in this experiment and explain how each would affect the calculated value of k.

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About This Question

This is Ijmb Model Questions Vol1 2017 Physics Question 4. It is one of the practical questions from the 2017 Ijmb Model Questions Vol1 Physics examination.

The question covers Forces .

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