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# The students should understand Newton’s three laws of motion

## Experiments

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

### Newton's First Law

Experiment #3 from Advanced Physics with Vernier — Mechanics

In this experiment, you will

• Collect position, velocity, and time data as a cart is launched by a spring and slowed by friction.
• Analyze the position vs. time and velocity vs. time graphs.
• Investigate the effect of varying the friction on the velocity of the cart.

### Newton's Second Law

Experiment #4 from Advanced Physics with Vernier — Mechanics

In this experiment, you will

• Identify the forces acting on an object both when its change in velocity, Δv, is zero and when it is accelerating.
• Collect force, velocity, and time data as a cart is accelerated on a track.
• Use graphical methods to determine the acceleration of the cart.
• Determine the relationship between the cart’s acceleration and the net force applied to it.
• Determine the effect of the mass on the relationship between acceleration and force.

### Newton's Third Law

Experiment #5 from Advanced Physics with Vernier — Mechanics

In this experiment, you will

• Observe the magnitude and direction of forces exerted by interacting objects.
• Observe the time variation of these forces.
• Develop a more robust expression of Newton’s third law.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Physics
Theme
A Space, time and motion
Topic
A.2 Forces and momentum
Level
Standard level and higher level

* 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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