Calculating the spring constant in a cart

You will need to know the spring constant for the blue cart for some of our activities. You can use the photos in the gallery below to collect the data necessary to calculate the spring constant.

The images show close-up photos of the cart’s spring as more masses are placed on it. The animated image to the right shows two examples (but not close enough to take accurate measurements.

Click on the arrows on the sides of the photos below to scroll through them.