Physics, 26.11.2019 17:31, Riplilpeep

Ajet transport has a weight of 1.87 x 106 n and is at rest on the runway. the two rear wheels are 16.0 m behind the front wheel, and the plane's center of gravity is 12.0 m behind the front wheel. determine the normal force exerted by the ground on (a) the front wheel and on (b) each of the two rear wheels.

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answered: mistydsargentp5wrh4

(a). The normal force exerted by the ground on the front wheel is $4.67\times10^{5}\ N$ .

(b). The normal force exerted by the ground on each of the two rear wheels is $7.02\times10^{5}\ N$

Explanation:

Given that,

Weight of jet $W=1.87\times10^{6}\ N$

Distance = 16 m

Second distance = 12.0 m

We need to calculate the normal force exerted by the ground on the front wheel

Using formula of torque

$\sum\tau=-Wl_{W}+F_{f}l_{f}=0$

Where, W = weight of jet

$l_{f}$ =lever arms for the forces $F_{f}$

$l_{w}$ =lever arms for the forces W

Put the value into the formula

$-(1.87\times10^{6})\times(16.0-12.0)+F_{f}\times16.0=0$

$F_{f}=\dfrac{(1.87\times10^{6})\times(16.0-12.0)}{16.0}$

$F_{f}=4.67\times10^{5}\ N$

(b). We need to calculate the normal force exerted by the ground on each of the two rear wheels

The sum of vertical forces equal to zero.

$\sum F_{y}=F_{f}+2F_{r}-W=0$

We using 2 for two rear wheels

$\sum F_{y}=0$

$F_{f}+2F_{r}-W=0$

$F_{r}=\dfrac{F_{f}-W}{2}$

Put the value into the formula

$F_{r}=\dfrac{-4.67\times10^{5}+1.87\times10^{6}}{2}$

$F_{r}=7.02\times10^{5}\ N$

Hence, (a). The normal force exerted by the ground on the front wheel is $4.67\times10^{5}\ N$ .

(b). The normal force exerted by the ground on each of the two rear wheels is $7.02\times10^{5}\ N$

answered: Guest

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-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

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hope this

answered: Guest

Answertechnician (a) is correct;

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Ajet transport has a weight of 1.87 x 106 n and is at rest on the runway. the two rear wheels are 16...