Examples

Examples on Work Done


Example1:
A box is dragged across a floor by a 100N force directed 60o above the horizontal. How much work does the force do in pulling the object 8m?





F = 100N
θ = 60o
S = 8m
W = (F Cos θ) S
=(100 Cos 60o) 8
= 100x1/2x 8 = 400 J

|

• 
• 
• 
• 
• 
•