CBSE Class IX Work Energy Simple Machines CW 02

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Across
  1. 2. Simple machine made of two inclined planes joined together.
  2. 4. Type of plane used to raise loads with less effort.
  3. 5. Unit equal to one thousand watts.
  4. 7. Force or resistance overcome by a machine.
  5. 9. Useful work obtained from a machine.
  6. 10. Central shaft about which a wheel rotates.
  7. 11. Inclined plane wrapped around a cylindrical surface.
  8. 12. Simple machine consisting of a grooved wheel and rope.
Down
  1. 1. Quantity representing how much a machine multiplies force.
  2. 2. SI unit of power.
  3. 3. Force applied to operate a machine.
  4. 6. Work supplied to a machine.
  5. 8. Fixed point about which a lever rotates.
  6. 13. Simple machine consisting of a rigid bar rotating about a fixed point.