Kinetic Energy Equation
Reference from the original Physics I textbook.
- Kinetic Energy Equation
, where v = |v⃗| is speed.
1 joule = 1 N·m = 1 kg·m²/s². Also, 1 newton = 1 kg·m/s².
- Related Glossary Terms
Kinetic Energy Equation (Integral Form), Work Added Equation (With Kinetic Energy)
- Index
Chapter 4 - FFR - Kinetic Energy
Chapter 4 - FFR - Kinetic Energy
Chapter 4 - FFR - Kinetic Energy
Reviewed physics notes (3)
These corrections keep the original lesson’s purpose while fixing errors in the source edition.
- Kinetic energy is scalar and uses speed squared. — Reference 1
- The product of momentum and velocity must be a dot product. — Reference 1
- A joule is N·m; N·s is momentum or impulse. — Reference 1
Glossary and deeper reading · 1 refreshers
These editorial refreshers supplement the reading. Definitions and examples are added guidance; original source wording and recorded answers remain in their original context.
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Kinetic energy
Kinetic energy is energy associated with motion relative to a chosen reference frame. For a nonrelativistic translating object it is one half of its mass times speed squared. For example, doubling a cart’s speed quadruples its translational kinetic energy when its mass stays fixed.