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2.2 Forces

Experiments

Here are experiments our science specialists have selected to support the IB* topic.

Atwood's Machine

Experiment #10 from Physics with Vernier

  • Use a Photogate to study the acceleration of an Atwood’s machine.
  • Determine the relationships between the masses on an Atwood’s machine and the acceleration.

Air Resistance

Experiment #13 from Physics with Vernier

  • Observe the effect of air resistance on falling coffee filters.
  • Determine how air resistance and mass affect the terminal velocity of a falling object.
  • Choose between two competing force models for the air resistance on falling coffee filters.

Static and Kinetic Friction

Experiment #12 from Physics with Vernier

  • Use a Dual-Range Force Sensor to measure the force of static and kinetic friction.
  • Determine the relationship between force of static friction and the weight of an object.
  • Measure the coefficients of static and kinetic friction for a particular block and track.
  • Use a Motion Detector to independently measure the coefficient of kinetic friction and compare it to the previously measured value.
  • Determine if the coefficient of kinetic friction depends on weight.

Educational Standard
International Baccalaureate (IB)
Subject
Physics
Section
Core
Topic
2. Mechanics

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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