An engineer carried out an investigation to determine the elastic properties of a mechanical spring.
The diagram below shows the spring before and after a mass hanger was suspended from its end.
What is the extension of the spring?
- 7.5 cm7.5\text{ cm}7.5 cm
- 24.0 cm24.0\text{ cm}24.0 cm
- 31.5 cm31.5\text{ cm}31.5 cm
Identify one safety precaution the investigator should take during this investigation.
The investigator hung a mass of 0.450 kg0.450\text{ kg}0.450 kg from the spring. Using a gravitational field strength of 9.8 N/kg9.8\text{ N/kg}9.8 N/kg, calculate the weight of the mass.
Use the equation: weight=mass×gravitational field strength\text{weight} = \text{mass} \times \text{gravitational field strength}weight=mass×gravitational field strength
Which of the following descriptions best represents the graph of the relationship between force applied and extension for a spring behaving elastically?
- A straight line starting from the origin (indicating a directly proportional relationship)
- A non-linear curve that starts at the origin and levels off
- A vertical line showing that the extension remains constant regardless of the force applied
A force of 12.6 N12.6\text{ N}12.6 N was applied to a different spring. The extension of this spring was 0.070 m0.070\text{ m}0.070 m.
Calculate the spring constant of this spring.
Use the equation: spring constant=forceextension\text{spring constant} = \frac{\text{force}}{\text{extension}}spring constant=extensionforce
Forces and their interactions Questions
Practise AQA GCSE Physics Forces and their interactions with exam-style questions for Foundation and Higher tier. 13 questions covering Scalar and vector quantities, Contact and non-contact forces, Gravity, and Resultant forces, matched to the AQA GCSE Physics (8463) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.