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level: Mechanical Energy Stores

Questions and Answers List

level questions: Mechanical Energy Stores

QuestionAnswer
What does a object gain at any given height.It gains energy in its Gravitational Potential Energy Store
How can you work out Potential Energy?Potential Energy [J]= Mass [kg] x Height [m] x Gravitational Field Strength [N/kg]
What does an object have when its moving? What can change the amount?It has energy in its Kinetic Energy Store. It can change due to Mass or Velocity
What's the formula for Kinetic energy?Kinetic Energy [J] = 0.5 x Mass [kg] x (Speed)² [m/s]²
What happens if you double the speed?The energy in the Kinetic Energy Store quadruples due to it being squared in the formula.