Consider the following statements regarding machine components: Statement 1: The efficiency of a screw jack is defined as the ratio of actual effort to ideal effort when friction is neglected. Statement 2: Collar bearings are also commonly referred to as thrust bearings. Choose the correct option:

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Physics · Theory of Machines

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Statement 2 is correct and Statement 1 is incorrect

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Answer 1

Statement 1 is correct and Statement 2 is incorrect

Answer 2

Statement 2 is correct and Statement 1 is incorrect

Answer 3

Both Statement 1 and Statement 2 are correct

Answer 4

Both Statement 1 and Statement 2 are incorrect

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