Q

Consider the following statements about simple machines. 1. Help lift heavy loads. 2. Can increase the distance through which effort acts. 3. May change the direction of force. 4. Violate the law of conservation of energy. Which of the above statements are correct?

RRB Group D 09 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: C 1, 2 and 3 only
Simple machines can reduce effort or change its direction, but they do not create energy. Work input is conserved ideally.
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