How Can Pulleys Make Lifting Easier?
What changes when you lift the same load with a different pulley arrangement?
Turn that question into a hands-on investigation. Build a setup, observe the spring force meter and compare what happens when you change the arrangement.
A practical way to explore simple machines together—at home or in the classroom.
Build. Measure. Compare.
Start by lifting a load directly with the spring force meter. Then explore a fixed pulley and a movable pulley, keeping the same load for each comparison.
Observe the force reading and compare how far you pull the cord with how far the load rises.
Repeat the experiment, record your observations and discuss what changed. Friction and the weight of moving parts can affect the readings—that is part of the investigation.
Make Room for Questions
“What do you think will happen?” is a useful place to start.
Invite students to make a prediction, try a pulley arrangement and explain what they observe. Keep the load constant, change the setup and compare the results together.
For families, homeschool lessons or classroom demonstrations, the kit provides a practical starting point for observation, measurement and discussion—with adult or teacher guidance.
Start Your Next Physics Investigation
Bring pulleys, weights and a spring force meter together for your next hands-on science activity.
Explore different arrangements, repeat your tests and turn observations into questions worth discussing.
Recommended for ages 8+, according to the supplier, with adult or teacher guidance. Assembly is required; English-language instructions have not been confirmed.