The work done by a body while covering a vertical height of 5m is 50 kJ. By how much amount has the energy of the body changed?

The work done by a body while covering a vertical height of 5m is 50

1.	The work done by a body while covering a vertical height of 5m is 50 kJ. By how much amount has the energy of the body changed?
A.	50 kJ
B.	-50 kJ
C.	25 kJ
D.	10 kJ
Answer» B. -50 kJ

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The work done by a body while covering a vertical height of 5m is 50 kJ. By how much amount has the energy of the body changed?

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