A student hangs a spring from a clamp. She hangs a weight on the bottom of the spring and the spring stretches.
The weight pulls down on the bottom of the spring.
State the other force that must act on the spring for it to stretch.
The student removes the weight. The spring returns to its original length.
Give the name of this type of distortion.
State the equation linking force, spring constant and extension.
The spring constant of the spring is 25 N/m. The extension of the spring is 0.12 m.
Calculate the force on the spring.
102 exam-style questions on Edexcel GCSE Physics 15.1 Forces and springs, covering 15.1.1 Elastic and inelastic distortion, 15.1.2 The spring constant, 15.1.3 Work done in stretching a spring, and 15.1.4 Linear and non-linear force–extension. Each one has a worked solution and a mark scheme showing where the marks go.