Neco 2022 Physics Question 4

Practice practical question 4 from the 2022 Neco Physics examination. This question covers Forces .

Neco 2022 Physics Practical

Topic: Forces

Question 4 NECO • 2022 • PHYSICS • practical

A helical spring is suspended vertically from a fixed support. Various masses are attached to the lower end and the corresponding extensions of the spring are recorded as follows: | Mass (kg) | Extension (cm) | |-----------|----------------| | 0.10 | 1.2 | | 0.20 | 2.5 | | 0.30 | 3.7 | | 0.40 | 4.9 | The spring is then used as a simple harmonic oscillator. With a mass of 0.30 kg attached, the period of vertical oscillations is measured as 1.10 s using a stopwatch. Answer the following questions:

( a )

Determine the spring constant k from the data. (Hint: use Hooke’s law, F = kx, where F = mg and x is the extension in metres.)

( b )

Using the value of k obtained, calculate the theoretical period of oscillation for the 0.30 kg mass. (Use T = 2π√(m/k)).

( c )

Find the percentage difference between the measured period (1.10 s) and the theoretical period obtained in part (b).

( d )

State two precautions that should be observed when carrying out this experiment and briefly explain why each is important.

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This is Neco 2022 Physics Question 4. It is one of the practical questions from the 2022 Neco Physics examination.

The question covers Forces .

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