1) The heart pumps oxygenated blood into arteries and the blood is then circulated around the body. a) Consider a ventricular contraction that accelerates a mass m of blood from rest into an artery oriented in a horizontal direction. To simplify the problem, assume the blood slides along the walls of the artery without friction, like a block of ice on a frozen pond. Also assume there are no other forces pushing the blood in the horizontal direction. Draw a free body diagram for the blood. Label each force withby" and "on subscripts (e.g. F by A on B) Heart artery -> ,blood b) Suppose the contraction time is At and the final speed of the blood is v. Find an expression for the magnitude of the average force applied by the heart on the blood. Your answer should be a formula involving the variables m, At, and v. time

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Chapter1: Units, Trigonometry. And Vectors
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I would like to know how to set up a free body diagram for this problem and know what formula I can use to find an expression for part b

Sree
1) The heart pumps oxygenated blood into arteries and the blood is then circulated around the
body.
a) Consider a ventricular contraction that accelerates a mass m of blood from rest into an
artery oriented in a horizontal direction. To simplify the problem, assume the blood
slides along the walls of the artery without friction, like a block of ice on a frozen pond.
Also assume there are no other forces pushing the blood in the horizoantal direction.
Draw a free body diagram for the blood. Label each force with"by" and "on subscripts
(e.g. F by A on B)
Heart
artery
ーつ
blood
Fest
Xニ
b) Suppose the contraction time is At and the final speed of the blood is v. Find an
expression for the magnitude of the average force applied by the heart on the blood.
Your answer should be a formula involving the variables m, At, and v.
っtine
c) Reasonably realistic numbers are m = 88 grams, At = 0.20 s, and v = 4 m/s. What is
%3D
the value of the magnitude of the force applied by the heart on the blood?
Transcribed Image Text:Sree 1) The heart pumps oxygenated blood into arteries and the blood is then circulated around the body. a) Consider a ventricular contraction that accelerates a mass m of blood from rest into an artery oriented in a horizontal direction. To simplify the problem, assume the blood slides along the walls of the artery without friction, like a block of ice on a frozen pond. Also assume there are no other forces pushing the blood in the horizoantal direction. Draw a free body diagram for the blood. Label each force with"by" and "on subscripts (e.g. F by A on B) Heart artery ーつ blood Fest Xニ b) Suppose the contraction time is At and the final speed of the blood is v. Find an expression for the magnitude of the average force applied by the heart on the blood. Your answer should be a formula involving the variables m, At, and v. っtine c) Reasonably realistic numbers are m = 88 grams, At = 0.20 s, and v = 4 m/s. What is %3D the value of the magnitude of the force applied by the heart on the blood?
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