Work power and energy theorem
Answers
The principle of work and kinetic energy states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle.
The relationship generalized in the WORK POWER AND ENERGY THEOREM.
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Answer:
Explanation:
According to this theorm the change in kinetic energy of an object is equal to the work done by the object
⚽➡️U ----------------→ ⚽➡️V
after time (T)
|←---------Distance (d)---→|
V² = U² + 2as ( s =Distance)
V² = U² + 2ad ---( eq 1 )
Multiply eq (1) with 'm' on both side
mv² = mu² + 2 m*ad
mv² - mu² = 2m*ad
mv² - mu² = 2 F*d ( m*a = force )
½mv² +½ mu² = F*d
Kinetic energy final - Kinetic energy initial = Work (W)
W =∆K energy