2. A man can crack a nut by applying a force
of 100 N on a lever of length 0.5 m. What
should be the length of the lever if he wants
to use a force of 75 N to crack the nut?
3. The fulcrum of a crowbar of length 1.25 m is
at a distance of 25 cm from load. Determine
the mechanical advantage of the crowbar
4. The blades of a pair of scissors are 20 cm
long, while its handles are 10 cm long. Find
its mechanical advantage.
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sorry dear I didn't know it's answer
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