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3 years ago

13

Classify each label into the correct side in the diagram below

1 answer:

makkiz [27]3 years ago

6 0

Answer: sorry i dont know the answer sorry for that

Explanation:

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Which term best describes the collection of technological systems made by engineers, technologists, and scientists that meet peo

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What type of stress occurs when a rock mass is pushed in parallel and opposite directions?

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2 years ago

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3 years ago

What is the magnitude of the force exerted by the biceps fbiceps? What is the magnitude of the force exerted by the elbow felbow

Slav-nsk [51]

Answer:

<u> </u><u>The magnitude of the force exerted by the biceps </u> $f_b_i_c_e_p_s$ <u> is 218.38N</u>

<u>The magnitude of the force exerted by the elbow </u> $f_e_l_b_o_w$ <u> is 194.37N</u>

Explanation:

Firstly , lets calculate the magnitude of force exerted by biceps $f_b_i_c_e_p_s$ -

Mass of the forearm=

$m_f=1.50kg$

Mass of the ball =

$m_b_a_l_l=950g$

= 0.950kg

so, weight of the forearm=

$w_f=m_f$ g

weight of the ball=

$w_b_a_l_l=m_b_a_l_l$ g

Now , balancing torque about the elbow , we have-

$F_b_i_c_e_p_s\times d_b_i_c_e_p_s= w_f\times\frac{d_b_a_l_l}{2} + w_b_a_l_l\times d_b_a_l_l$

(here , distance of the bicep is 2.50cm = 0.025m and distance of the ball is 36cm= 0.36m)

Now putting the given values in the formula -

$F_b_i_c_e_p_s\times 0.025= 0.95\times9.8\times\frac{0.36}{2} +1.50\times 0.36$

$F_b_i_c_e_p_s=218.38N$

Now, lets calculate the force exerted by elbow $F_e_l_b_o_w$ -

Balancing the vertical forces

$F_b_i_c_e_p_s=F_e_l_b_o_w+w_f+w_b_a_l_l$

$F_e_l_b_o_w = 218.38-(1.00\times9.8)-(0.95\times9.8)$

$F_e_l_b_o_w=194.37N$

8 0

3 years ago