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never [62]
3 years ago
7

The post is made of Douglas fir and has a diameter of 100 mm. if it is subjected to the load of20 kN and the soil provides a fri

ctional resistance that is distributed along its length and varies linearly from IV= 4 kN/m at y = 0 to IV =12 kN/m at y = 2 m. determine the force F at its bottom needed for equilibrium. Also, what is the displacement or the top of the post A with respect to its bottom B? Neglect the weight of the post.

Engineering
1 answer:
Solnce55 [7]3 years ago
5 0

Answer:

Explanation:

Kindly go through the attachment for the step by step approach to the solution of this question.

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Angelina_Jolie [31]

Answer:

Oil is graded by the Society of Automotive Engineers - B.

5 0
3 years ago
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For a metal casting with a cylindrical riser, what is the best (optimal) aspect ratio (aspect ratio is the ratio of the riser's
DochEvi [55]

Answer:

Optimal aspect ratio = 1

Explanation:

From Chvorinov's Rule,

T = c [\frac{volume}{surface are}]^n

Where

T = solidification time

c = mold constant

Volume = \frac{pi D^2 h}{4}

Surface areaA= pi Dh[\frac{2pi D^2}{4}

For the riser to have the longest solidification time:

We have: D = h

V = \frac{pi D^3}{4}

A = pi Dh[\frac{2pi D^2}{4}] = 1.5D^2 pi

Therefore,

\frac{V}{A} = \frac{\frac{pi D^3}{4}}{1.5D^2 pi}

\frac{V}{A} = \frac{D}{6}

To have to longest solidification time, D = h

Therefore the best aspect ratio would be,

\frac{D}{h} = 1

3 0
3 years ago
If welding is being done in the vertical position, the torch should have a travel angle of?
siniylev [52]

Answer:

Between 35°– 45°

Explanation:

In the vertical position, Point the flame in the direction of travel. Keep the flame tip at the correct height above the base metal. An angle of 35°–45° should be maintained between the torch tip and the base metal. This angle may be varied up or down to heat or cool the weld pool if it is too narrow or too wide

4 0
2 years ago
A unidirectional E-Glass fiber-epoxy composite material contains 61% by volume E-Glass fibers stressed under isostrain condition
zalisa [80]

Answer:

The total load carried by the fiber will be "98%".

Explanation:

The given values are:

V_{f}=0.61

V_{m}=1-V_{f}

     =1-0.61

     =0.39

E_{f}=10 \ Mpa

\sigma_{f}=0.35 \ Mpa

E_{m}=0.45 \ Mpa , \sigma_{m}=9\times 10^{-3} \ Mpa

As we know,

⇒  E_{e}=fE_{f}+mE_{m}

On putting the estimated values, we get

⇒       =0.61\times 10+0.39\times 0.95

⇒       =6.27 \ Mpa

Now,

⇒  \sigma_{c}=f\sigma_{f}+m\sigma_{m}

On putting the estimated values, we get

⇒       =0.61\times 0.35+0.39\times 0.009

⇒       =0.217 \ Mpa

Therefore,

The load carried by fiber,

=\frac{f\sigma_{f}}{\sigma_{c}}

=\frac{0.35\times 0.61}{0.217}

=0.98 i.e., 98%

4 0
4 years ago
We know that passengers can be either helpful or harmful to a driver. Describe a pro and a con of having passengers in your car.
anygoal [31]

Answer:

sub to pewdipie

6 0
3 years ago
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