1.1.3 Kinetic Energy

• Kinetic energy is the amount of energy an object has as a result of its mass and speed.
• Any object in motion has energy in its kinetic store.
• If an object speeds up, energy is transferred to its kinetic store.
• If an object slows down, energy is transferred away from its kinetic store.
• Kinetic energy can be calculated using the equation: Ek = ½ × m × v2.
• The symbol Ek stands for kinetic energy in joules (J).
• The symbol m stands for the mass of the object in kilograms (kg).
• The symbol v stands for the speed of the object in metres per second (m/s).