Power Drag Lab
Students pulling the block of wood with a 1-kg weight a certain distance.Copyright Roberto Dimaliwat
Students use a block of wood, a spring scale, a timer, and known masses/weights to study and learn about work, power, and energy, and how they are all related, both conceptually and mathematically. Students also learn the factors affecting work and power as they gather data and complete calculations.
Students develop the foundational knowledge and skills necessary for tackling real-world engineering challenges related to work, power, and energy. They learn not only the theoretical concepts, but also gain practical experience in data collection, analysis, and problem-solving, which are essential for success in engineering disciplines. In engineering, particularly in fields like mechanical, civil, and aerospace engineering, understanding the principles of work, power, and energy is essential for designing and analyzing various systems and structures.
After this activity, students should be able to:
- Describe the factors affecting the concept of work and power in physics.
- Determine the work done on an object mathematically.
- Determine the power used in moving an object mathematically.
- Explain how time and work are related in the concept of power.
- (Optional Activity Extension) Describe equilibrium of forces and be able to sum up forces and use Newton’s second law of motion.