JSCE Basic Science 2023 Objective — Question 18

Question 18 of 100 from the Junior Secondary Certificate Examination (JSCE) Basic Science 2023 Objective paper, with the correct answer and a full explanation.

A man pushes a drum of palm oil of 20kg up an inclined plane AC. If AC is 5m, calculate the potential energy of the drum at A.

A. 100J
B. 1000JCorrect
C. 10000J
D. 2500J

Explanation

PE = mgh = 20 x 10 x 5 = 1000 J, taking the 5 m as the height of A from the ground.

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