Advertisements
Advertisements
प्रश्न
What is the work done when the displacement of the body is in the opposite direction to that of the applied force?
लघु उत्तरीय
Advertisements
उत्तर
The work done is negative because the force and displacement are in opposite directions.
W = F s cosθ
When displacement is opposite to the applied force,
θ = 180°
W = F s cosθ 180°
= −Fs
Therefore, when a body moves opposite to the applied force, the work done by the force is negative.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
