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6. Gravitational Potential Energy=

  • 0.5mv^2
  • s/t
  • mgΔh
  • Fv
  • ma

7. Potential Energy stored in a spring=

  • mgΔh
  • 0.5FΔL
  • Fv
  • stress/strain
  • 0.5mv^2

8. Which one is the eqaution for power(or both)

  • Both
  • Fv
  • ΔW/Δt

9. Energy (finsh the sentence)

  • can be created and destroyed
  • can only be created
  • cannot be created or destroyed, only transferred into different forms of energy
  • can only be destroyed

10. Which statement best describes the principle of moments

  • when an object is in rotational equilibrium the total clockwise moments equal the total anticlockwise moments
  • the total clockwise moments equal the total anticlockwise moments
  • Fd

11. What is the equation for finding moments

  • Fd
  • FΔL
  • Fv
  • ma