Pressure p is the force F divided by the area A: p= -. dp while force F is held constant. dA 1. Calculate 2. What is the meaning of ? (a) dA represents the rate of change of pressure with respect to force. (b) represents the rate of change of pressure with respect to area. (c) represents the rate of change of area with respect to pressure. (d) represents the amount of pressure per area. 3. What happens to the pressure on your foot as you change from standing on both feet to standing on one foot? (a) The pressure stays the same since the force stays the same as my weight is not changing. (b) The pressure increases since is negative and A is decreased from two feet to one foot. d.A (c) The pressure decreases since is negative and A is decreased from two feet to one foot. (d) The pressure increases since is positive and A is decreased from two feet to one foot.

Pressure p is the force F divided by the area A: p= -. dp while force F is held constant. dA 1. Calculate 2. What is the meaning of ? (a) dA represents the rate of change of pressure with respect to force. (b) represents the rate of change of pressure with respect to area. (c) represents the rate of change of area with respect to pressure. (d) represents the amount of pressure per area. 3. What happens to the pressure on your foot as you change from standing on both feet to standing on one foot? (a) The pressure stays the same since the force stays the same as my weight is not changing. (b) The pressure increases since is negative and A is decreased from two feet to one foot. d.A (c) The pressure decreases since is negative and A is decreased from two feet to one foot. (d) The pressure increases since is positive and A is decreased from two feet to one foot.

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Description: Pressure p is the force F divided by the area A: p=.dpwhile force F is held constant.dA1. Calculate2. What is the meaning of ?(a) A represents the rate of change of pressure with respect to force.(b) represents the rate of change of pressure with re

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

Topic Video

Question

Pressure p is the force F divided by the area A: p=.
dp
while force F is held constant.
dA
1. Calculate
2. What is the meaning of ?
(a) A represents the rate of change of pressure with respect to force.
(b) represents the rate of change of pressure with respect to area.
(c) represents the rate of change of area with respect to pressure.
(d) represents the amount of pressure per area.
3. What happens to the pressure on your foot as you change from standing
on both feet to standing on one foot?
(a) The pressure stays the same since the force stays the same as my
weight is not changing.
(b) The pressure increases since is negative and A is decreased
from two feet to one foot.
d.A
(c) The pressure decreases since is negative and A is decreased
from two feet to one foot.
dA
(d) The pressure increases since is positive and A is decreased from
two feet to one foot.

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