Student 1 lifts a 2 kg textbook vertically upward onto a shelf 1.5 m above the floor…
PHYSICS · Subjective · CBSE · Physics · Work and Energy · Work and Energy
Problem
Student 1 lifts a 2 kg textbook vertically upward onto a shelf 1.5 m above the floor at constant speed. Student 2 lifts a 4 kg backpack the same vertical distance, also at constant speed. Without performing detailed calculations, indicate which student does more work on the object (or if the work done is the same) and justify your answer in one or two sentences.