Physics · Interactive learning companion

Physics Balancer 1: Mass Balance Simulation

Explore the balancing rule represented in the first Balancer game without assuming it uses the inclined-lever torque model of Balancer 2.

Landscape activity · use fullscreen on a phone for larger controls

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📝 Description

Physics Balancer 1 is a visual mass-balance simulation that helps students understand equality of mass and basic balancing ideas. Learners place masses, observe balance conditions, and connect visual results with physical reasoning. It is useful for classroom demonstrations and concept practice.

📋 Instructions

Click or place the blue masses to balance both sides. Observe how total mass affects the balance and repeat with different combinations.

🎓 Learning Guide: Physics Balancer 1: Mass Balance Simulation

Learning focus: Explore the balancing rule represented in the first Balancer game without assuming it uses the inclined-lever torque model of Balancer 2.

Physics Interactive learning companion

Learning objectives

Identify quantities compared on the left and right.
Express the displayed balance condition in the units the activity uses.

Concepts and principles

Equality of total mass means m_left=m_right when comparing the quantities shown.
If a physical beam or unequal lever arms are part of a later mode, rotational balance additionally depends on torques; mass equality alone is not universally sufficient.

Examples and worked solutions

Two 2 kg masses are on one side of a simple equal-arm balance. How much mass balances them on the other side?: Worked solution: 4 kg on the opposite equal arm in the ideal balance.

Try this investigation

Follow the described blue-mass placement activity and record the total on each side.
Predict the change when one identical mass is added to a side before checking the visual outcome.