Physics
Grade-7
Easy

Question

In which of these cases is the work being done?

  1. A student sleeps
  2. A student pushes a door
  3. A student carries his chair into another room
  4. A student sits on the carpet

hintHint:

A student pushes a door

The correct answer is: A student pushes a door


    here displacement occurs hence, work is done.

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