How Does a Screw Make Work Easier?

Answer

There are so many ways through which a screw makes work easier. For starters, they are able to hold things tightly. They are better than nails even when it comes to fixing them.
Q&A Related to "How Does a Screw Make Work Easier?"
Mechanical advantage, think of a screw as a wound up ramp. To get some thing up high, its easier to push it up a ramp rather than raise it straight up.
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This is just a guess, but screw caps are much simpler than flipcaps, and so I would say they're more expensive to manufacture and assemble. For some products like Tomato Ketchup,
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It makes removing and inserting screws a snap!
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in science physics there is a thing called joules. a joule is a meausre of amount of work......or something like that. the equation for joules or work is work joules(W)- equals force
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