Featured in PASCO’s Advanced Physics Teacher Guide
This manual features over 30 College Board curriculum and AP Physics exam inspired lab activities.
Coefficients of Friction
Use a force sensor and a motion sensor to determine the coefficients of friction between an object pulled across a surface and the surface itself.
Students determine the coefficients of friction between an object pulled across a surface and the surface itself.
- Establish an understanding of the difference between kinetic and static friction.
- Devise a graphical method to experimentally determine each coefficient value.
Students gain experience conducting the following procedures:
- Calculating the normal force of a friction tray with various masses.
- Using a force sensor to graph the force versus time as a friction tray is pulled from rest to a constant velocity.
- Determining the maximum static frictional force and the kinetic frictional force by observing the characteristic shape of the force-time graph.
- Graphing the maximum static frictional force versus the normal force, and the kinetic frictional force versus the normal force to determine the coefficients of static friction and kinetic friction.
Sensors / Equipment Used:
The PASPORT Motion Sensor accurately measures position, velocity, and acceleration of a target. Can be used to track the motion of carts, balls, people and more.
Designed to measure both pulling and pushing forces. Uses range from collisions to tug-of-war.
Four plastic trays with unique surfaces (cork, felt, and 2 plastic) to use with dynamics carts and sensors.
250 g or 500 g Masses - 4
Balance, 1200-g capacity
String - 20 cm
The Associated Bundle:
This bundle contains the probeware needed to perform all 37 lab activities in the Advanced Physics lab manual.