ICSE Class 10: Machines and Levers Videos | Machines

• Please answer this question.
  
• What is a lever in simple words  
• name six simple machines
• what is MA
  
• what is principal of a machine
• What is Machine
• IN WHAT WAY DOES AN IDEAL MACHINE DIFFER FROM A PRACTICAL MACHINE ?
• Are actual and practical machines the same? If yes then is the output energy less than the input energy?
• In chapter machines ( Class 10th ICSE)    Examples for "changing the point of application of effort  to a convenient point. "
• what is meant by saying that a machine is a force multiplier

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