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Andre45 [30]
3 years ago
5

When using levers like scissors or hedge clippers, what can be done to increase the cutting force so that you don’t have to sque

eze so hard?
Engineering
1 answer:
enot [183]3 years ago
6 0

An inclined plane has a small force applied over a large distance. Ramps, ladders and stairs are inclined planes. Both wedges and pulleys make work easier by changing the direction of the force.

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A manufacturer has been asked to produce 100 customized metal discs with a particular pattern engraved on them. Which production
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I’m just here for points because I have test and I need them lol
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What are the ropes of secretaries and treasures in a meeting​
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Answer:

To prepare and issue notices and agendas of all meetings in consultation with the chairman, and to ensure that any background papers are available well before the meeting. To attend and take the minutes of every committee meeting. To circulate minutes to all committee members, and to conduct the correspondence

Explanation:

I think you want to say roles.

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3 years ago
Consider the brass alloy for which the stress-strain behavior is shown in the Animated Figure 7.12. A cylindrical specimen of th
sleet_krkn [62]

Answer:

(a) 0.1509 mm

(b) 0.00525 mm

Explanation:

Stress, \sigma is given by

\sigma=\frac {F}{A} where F is force and A is area and area is given by \frac {\pi d^{2}}{4} hence

\sigma=\frac {4F}{\pi d^{2}} where d is the diameter. Substituting 9970 N for F and 10mm=0.01 m for d hence

\sigma=\frac {4*9970 N}{\pi 0.01m^{2}}=126941982.6 N/m^{2}

\sigma \approx 127 Mpa

From the attached stress-strain diagram, the stress of 127 Mpa corresponds to strain of 0.0015 and since strain is given by

\epsilon=\frac {\triangle l}{l} where\epsilon is the strain, \triangle l is elongation and l is original length and making elongation the subject

\triangle l= \epsilon \times l and substituting strain with 0.0015 and length l with 100.6 mm then

\triangle l=0.0015\times 100.6=0.1509 mm

(b)

Lateral strain is given by

\epsilon_{lat}=\frac {\triangle d}{d} and substituting -v\epsilon for \epsilon_{lat} where v is poisson ratio then

-v\epsilon=\frac {\triangle d}{d} and making \triangle d the subject then

\triangle d=-vd\epsilon and substituting 0.35 for v, 0.0015 for strain and 10 mm for d

\triangle d=-(0.35)*10*0.0015=-0.00525 mm and the negative sign indicates decrease in diameter

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computer engineers

electrical engineers

mechanical engineers

manufacturing engineers

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Split the timing circuit below into 3 blocks by drawing 2 vertical lines across it, label each of the blocks stating whether it
garik1379 [7]

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i can Help you but iam using my phone so typing is really hectic. reach me via app on +254743503332

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2 years ago
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