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nexus9112 [7]
2 years ago
11

The sum of forces on node 2 (upper-left) is ______.

Engineering
1 answer:
laiz [17]2 years ago
6 0

In the case above, the sum of forces on node 2 (upper-left) is said to be zero.

<h3>What is net force?</h3>

If any object is said to be falling at constant speed. The net force is often known to be  zero.

in the case above, you see that 2 and 3 node is falling down therefore, node 1 and 4 will be zero.

So, In the case above, the sum of forces on node 2 (upper-left) is said to be zero.

Learn more about net force from

brainly.com/question/11556949

#SPJ1

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Reference sources reveal that a workpiece material has a unit horsepower of 1.6 hp/in3/min. For a turning operation, the cutting
Troyanec [42]

The question is incomplete. We have to calculate :

a). the cutting force

b). volumetric metal removal rate, MRR

c). the horsepower required at the cut

d). if the power efficiency of the machine tool is 90%, determine the motor horsepower

Solution :

Given :

Cutting velocity (v) = 500 ft/min

                               = 500 x 12 in/min

                               = 6000 in/min

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Depth of cut, d = 0.2 in

b). Volumetric material removal rate, MRR = v.f.d

                                                                      = 6000 x 0.025 x 0.2

                                                                      = 30 $in^3 / min$

c). Horsepower required = MRR x unit horsepower

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a). Cutting force,

$F=\frac{power}{cuting \ velocity}$

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d). Machine HP required

  $=\frac{HP}{\eta}$

 $=\frac{48}{0.9}$

= 53.33 HP

6 0
3 years ago
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