# Unit 2: Dynamics - Causes of Motion

Reference > Science > Physics > Study GuideNewton's Law of Equilibrium, and Newton's Law of Acceleration - Newton's first two laws of motion

Use Newton's Law of Gravity to calculate the gravitational force between two objects

Calculating the amount of friction force between two objects using the coefficient of friction

Solving force and friction problems which involve multiple bodies acting on one another

# Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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