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PEARSON IIT JEE FOUNDATION-THE MECHANISM OF MACHINES -Assessment test (Test I)
- Find the MA of first-order lever of length 50 cm, if the fulcrum is ex...
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- Find the ratio of the load arm to that of the effort arm of a second-o...
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- Explain why, a single-fixed pullery is used to lift a load even if its...
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- How can you increase the mechanical advantage of a see-saw without th...
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- How can use third order levers as machines even though their MA is les...
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- If you are using a Screwdriver to twist out a screw, you are actually...
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- A rod attached to the centre of a wheel is called
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- What is the efficiency of a simple machine ?
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- A crowbar is of 150 cm length. Its fulcrum is at a distance of 50 cm f...
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- Give two examples where we use wedges as simple machines.
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- Although, mechanical advantage is less than 1 for class-three levers, ...
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- If the mechanical advantage of a lever is 2.5, what will be the effort...
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