Question

A block weighing 20 N is lifted 6 m vertically upward. Calculate the potential energy stored in it. ​

Answer 1

Answer:

given, weight = 20 N

height = 6 m

also we know, g = 10 m/s

so

PE = mgh

= 20 N × 6 m × 10 m/s

= 1200 joules.

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Answer 2

Answer:

A block weighing 20 N is lifted 6 m vertically upward. The potential energy stored in it is 120 joules.

Explanation:

Weight(mg) of a block = 20N

Height (h) = 6m

Now, potential energy(PE) = mgh

=20 × 6

= 120Joules

The potential energy stored in it is 120 joules.