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Grade: 11

                        

Explain Positive, Negative and Zero Work. Give one example of each.

one month ago

Answers : (1)

Rituraj Tiwari
askIITians Faculty
1789 Points
							POSITIVE WORK :the work done on an object is said to be positive work when force and displacement are in same direction.
example: When an object moves on horizontal surface,force and displacement acts in forward direction. So,work done is positive.
NEGATIVE WORK:The work done is said to be negative work when force and displacement are in opposite direction.
example: When an object is thrown upwards,the force CTS in downward direction whereas displacement acts in upward direction.
ZERO WORK:The work done is said to be zero work when force and displacement are perpendicular to each other or when either force or displacement is zero.
example: When we hold an object and walk,the force acts in downward direction whereas displacement acts in forward direction.
one month ago
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