Give 2 examples of zero work
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heya!!
1) pushing a wall
2) reading a book in mind
1) pushing a wall
2) reading a book in mind
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2
• Work done is zero when displacement is zero. This happens when a man pushes a wall.
• Work done by coolie in transporting luggage as he exert force in upward direction and move in straight line .As force and displacement are mutually perpendicular to each other that's why work done is zero.
• Lifting a box up from the floor and then putting it down.
• Work done by coolie in transporting luggage as he exert force in upward direction and move in straight line .As force and displacement are mutually perpendicular to each other that's why work done is zero.
• Lifting a box up from the floor and then putting it down.
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