A boy of mass 40 kg climbs 10 steps of upstairs each of height 10 cm. – InterviewSolution

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1.	A boy of mass 40 kg climbs 10 steps of upstairs each of height 10 cm. Calculate the potential energy the boy possess at the 10th step. [Take g = 10 m/s2] please help me out with the above mentioned problem
Answer» well the answer is 400 this is how Explanation:here we SEE that 1 STEP,= 10 cm hence 10 step=100 cm =1 m =TOTAL height. (h)mass=40kg g=10 hencepe=mgh = 40×10×1=400

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