Other questions in this quiz

2. black

  • radiates thermal energy
  • absorbs thermal energy
  • reflects thermal energy

3. momentum

  • force x perpendicular distance from the pivot
  • force + perpendicular distance from the pivot
  • mass x velocity
  • mass/velocity

4. commutator in a DC motor

  • reverses every half turn so the force is always in the same direction and the motor turns the same way
  • provides current to the coil which ensures current always flows clockwise throught the coil

5. all electromagnetic waves are

  • sound
  • trasverse
  • longitudinal
  • infrared


No comments have yet been made

Similar Physics resources:

See all Physics resources »See all ALL resources »