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Mulitple Choice Questions

An old man, unable to apply a large force whishes to use screw jack for lifting his car wheels. If L is the length of the rod used to turn the jack and p is the pitch of jack screw, then he should use a jack in which _____.

    1. L is small and p is small
    2. L is large and p is large
    3. L is small and p is large
    4. L is large and p is small



Topic-Wise MCQs on Sciences