# The gravitational potential energy stored in a box of weight 150 kgf is 1.5 x 104 J. Find the height of the box. Take l kgf = 10 N. - Physics

Sum

The gravitational potential energy stored in a box of weight 150 kgf is 1.5 x 104 J. Find the height of the box. Take 1 kgf = 10 N.

#### Solution

Gravitational potential energy U = mg x h
1.5 × 104 J = (150 kgf) × h
1.5 × 104 J=(150 × IO N) × h

h = (1.5 ' 10^4)/1500 = 15/10× 10000/1500=10 m

Concept: Types of Mechanical Energy: Potential Energy
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#### APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 4 Energy
Numericals | Q 6 | Page 79