Consider the following statements with reference to simple machines. 1. Help in lifting heavy loads. 2. Can increase the distance over which the effort acts. 3. Can change the direction of the force. 4. Violate the law of conservation of energy. Which of the above statements are correct?
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) Only 2 and 3
- (B) Only 1, 2 and 3
- (C) Only 1 and 4
- (D) 1, 2, 3 and 4
Verified Answer
Option (B): Only 1, 2 and 3
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