The average force acting on the blood as it is pumped into the aorta is .
Explanation:
As the blood enters the aorta, the speed of the blood increases from zero to in a time of . It means that the blood moves under the acceleration as it passes through the aorta.
The acceleration produced in a body is due to the force experienced by the particular amount of blood as it enters the aorta.
Write the expression for the acceleration of the blood as its speed increases.
...... (1)
Here, is the final velocity of blood, is the initial velocity and is the time taken to accelerate.
Substitute the values of the velocities and the time taken by the blood in equation (1).
The net force acting on the blood is given by:
...... (2)
Substitute the values of mass and acceleration in the above expression.
Therefore, the average force acting on the blood as it is pumped into the aorta is .
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Answer Details:
Grade: High School
Subject: Physics
Chapter: Force and acceleration
Keywords:
heartbeat, average force, aorta, blood, rest, speed up, acceleration, initial speed, final speed, time, accelerated, 80 g, blood is pumped.