What happens when friction and thrust are balanced
What happens when friction and thrust are unbalanced
Define resultant force
Name the forces acting on an sail boat
What are fluids resistant a form of
What is drag and how could it be controlled
Define velocity
Define terminal velocity and it’s why objects have top speeds
Define the chain in which nature transfers and stores energy
Define solar and kinetic energy
What are fossil fuels how they are produced and an example of
Define non-renewable resource
Name 3 examples of fuels we use today
Explain the energy transfer of weight and spring clocks
Define gravitational potential energy
Define elastic potential energy (or strain energy)
Define internal (or thermal) energy
Name 3 renewable resources
Name 3 non-renewable resources
What energy resource could only be generated not stored
Define the law of conservation of energy
Define efficiency of energy and 3 ways it could be lost
Define dissipated