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What are the 2kinds of friction?
The two types of friction are static friction and kinetic friction. Static friction occurs when two surfaces are at rest relative to each other, while kinetic friction occurs when two surfaces are in motion relative to each other.
Why is friction called necessary evil?
Friction is often referred to as a "necessary evil" because while it can impede motion and cause wear and tear, it is also essential for many everyday tasks. Friction provides traction for walking and driving, allows us to grip objects, and is crucial for many industrial processes. So, while it can be an inconvenience, it also plays a vital role in our daily lives.
Where is a pericardial friction rub best heard?
A pericardial friction rub is best heard at the lower left sternal border, usually in the region of the apex of the heart. It is a high-pitched, scratchy sound that can be heard during both systole and diastole. It is typically a sign of pericarditis.
Name the three types of friction?
Three types of friction are : 1. Kinetic friction :Friction that arises between surfaces in relative motion. 2. Static friction :Friction that acts between surfaces at rest with respect to each other 3. Rolling friction : Friction that occurs when an object rolls over a surface. Static, sliding, rolling.
What are the three types of friction and when does each apply?
There are three types of friction, static friction, rolling friction, and sliding friction. Static friction is friction between two surfaces that aren't moving relatively to each other. Rolling friction is friction between a rolling object and the surface that it is rolling on. Sliding friction is friction where an object slides, or rubs against, another surface.
How can Friction be avoided?
lube.
What defiles a man and how can it be avoided"?
A person is defiled by what comes out of their heart, such as evil thoughts and actions. This can be avoided by cultivating a pure heart and making good choices.
What is the purpose of the pericardial sac that sounds the heart in mammals?
In the case of the heart, it acts as a shock absorber, and a lubricant to prevent friction with the heart and pericardium, which could result in "friction rubs" and cardiac tamponade, as well as pericarditis.
What is the name of the lubricant that prevents friction of the heart?
pericardial cavity--- ashboo
A lubricant that prevents friction between the heart and its surroundings?
synovial fluid
What is used to reduce friction between membranes of the heart?
Serous fluid, which acts as a lubricant, helps to reduce friction between the membranes of the heart. This fluid is found in the pericardial cavity between the visceral and parietal layers of the pericardium. The main function of the pericardium and its fluid is to allow the heart to beat efficiently without experiencing excess friction or damage.
A lubricant that prevents friction between the heart and its surroundings is contained in the?
pericardial cavity
What fluid reduces friction in the heart?
The pericardial fluid
Why is the heart anchored to the diaphragm and what is the function of this anchoring?
The heart is anchored to the diaphragm in order to keep it in place. The diaphragm also reduces friction to the outer membranes of the heart.
What are the list of foods to be avoided to prohibit heart problem?
ears, brain, forehead, cheeks, chin, eyes, nose, and mouth
The function of the fluid that fills the pericardial sac is to decrease what?
Friction around the heart and possible damage.
Is cardiovascular disease race discriminative?
Cardiovascular disease is an ailment of the heart and has nothing to with race or gender, it can be avoided by exercise and a healthy diet.
