Question 1
FA student stretches a spring by hanging weights from it. The student measures the extension of the spring for each force. Figure shows the student's results. The spring constant of the spring is 50 N/m.
Figure: Graph of force against extension for the student's spring
a.[1]
Use Figure to give the extension of the spring when the force is 2.0 N.
b.[1]
Above a force of 3.0 N the line on the graph is no longer straight. Give the name of the point at which the line stops being straight.
c.[3]
Calculate the energy in the elastic potential energy store of the spring when the extension is 0.060 m.
d.[2]
Explain why the equation used in part c) cannot be used to find the energy stored when the extension is 0.100 m.
e.[1]
The student repeats the experiment with a stiffer spring. Give the effect of using a stiffer spring on the energy stored at an extension of 0.060 m.
1.1 Energy changes in a system, and the ways energy is stored before and after such changes Questions
40 exam-style questions on AQA GCSE Physics 1.1 Energy changes in a system, and the ways energy is stored before and after such changes, covering 1.1.1 Energy stores and systems, 1.1.2 Changes in energy, 1.1.3 Energy changes in systems, and 1.1.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.