Lesson: Chapter - 7

Key Formulas

Work 

W = F.s = Fscos? 

Work Done by Gravity 

W = mgh 

Kinetic Energy 

KE = 1/2mv2 

Work-Energy Theorem 

W = ? KE 

Potential Energy 

W = -?U 

Gravitational Potential Energy 

U9 = mgh 

Mechanical Energy 

E = KE + U 

Average Power 

Instantaneous Power  

P = F.v 

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