notic pres shat if w uestions 1. When do we say that work is done? 2. Write an expression for the work done when a force is acting on an object in the direction of its displacement. 3. Define 1 J of work. 4. A pair of bullocks exerts a force of 140 N on a plough. The field N being ploughed is 15 m long. How much work is done in ploughing the length of the field? expl thes diffe 2 An saic the the An for end
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Work is said to be done when the force applied to an object shows the object’s displacement.
Part2: Expression of work done
When a force F displaces a body through a distance S in the direction of applied force, then the work done W, on the body is given by the expression:
Work=Force×Displacement
⇒W=F×S
Explanation:
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