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drek231 [11]
3 years ago
7

A machine has a mechanical advantage of 5. What force should be applied to the machine to make it apply 3000 N to an object?

Physics
2 answers:
ziro4ka [17]3 years ago
6 0
The answer to this very question is 3000n
BlackZzzverrR [31]3 years ago
3 0

Answer:

3000 N

Explanation:

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A specimen of aluminum having a rectangular cross section 9.5 mm × 12.9 mm (0.3740 in. × 0.5079 in.) is pulled in tension with 3
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The resultant strain in the aluminum specimen is 4.14 \times {10^{ - 3}}

Explanation:

Given that,

Dimension of specimen of aluminium, 9.5 mm × 12.9 mm

Area of cross section of aluminium specimen,

A=9.5\times 12.9=123.84\times 10^{-6}\ mm^2A=122.55\times 10^{-6}\ m^2

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\epsilon=\dfrac{F}{EA}\\\epsilon=\dfrac{35000}{69\times 10^9\times 122.5\times 10^{-6}}\\\epsilon=4.14\times 10^{-3}

Thus, The resultant strain in the aluminum specimen is 4.14 \times {10^{ - 3}}

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