Question

If acceleration due to gravity, g is 9.8 m/s², the potential energy of a body of mass 2 kg at a height of 5 m will be:

Options

• 95 J

• 9.8 J

• 90 J

• 98 J

Answer 1

98 J

Explanation:

Potential Energy (PE) = m × g × h

= 2 × 9.8 × 5

= 98 J