Motion & ForcesATI TEAS 7 cheat sheet

Newton in brief

9 key facts 5 practice questions Reviewed Oct 2026

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The Laws

First — an object keeps its motion unless a force acts (inertia)
Second — F = ma
Third — every action has an equal and opposite reaction

Speed & Velocity

Speed = distance / time
Velocity adds direction
Acceleration is change in velocity over time

Friction & Gravity

Friction opposes motion
Gravity accelerates objects at about 9.8 m/s²

Work

Work = force × distance, only when motion occurs

Key takeaway

Newton in brief

Before you read

Test yourself first: 5 questions

Question 1 of 5

The force that resists motion when two surfaces rub together is:

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