What are the three forces of body?

What are the three forces of body? Forces due to gravity, electric fields and magnetic fields are examples of body forces. Body forces contrast with contact forces or surface forces which are exerted to the surface of an object. Normal forces and shear forces between objects are surface forces as they are exerted to the […]

What autoimmune diseases cause a rash?

What autoimmune diseases cause a rash? These are the most common autoimmune diseases that may cause rashes on your skin: Lupus. Sjogren’s syndrome. Dermatomyositis. Psoriasis. Eczema. Hypothyroidism & myxedema. Celiac disease. Scleroderma. What does a malar rash look like? Malar rash is a red or purplish facial rash with a “butterfly” pattern. It covers your […]

Why would a country want to increase its population?

Why would a country want to increase its population? Concerned with the consequences of demographic decline and population aging, especially with respect to economic growth, national defense, and pensions and health care for the elderly, a growing number of governments are seeking to raise birth rates. Why is death rate low in developed countries? Why […]

What four things can cause sediment to move?

What four things can cause sediment to move? Erosion can move sediment through water, ice, or wind. Water can wash sediment, such as gravel or pebbles, down from a creek, into a river, and eventually to that river’s delta. Deltas, river banks, and the bottom of waterfalls are common areas where sediment accumulates. Is the […]

What are the positive and negative effects of hydropower?

What are the positive and negative effects of hydropower? Hydropower has the ability to generate electricity without emitting greenhouse gasses. However, it can also cause environmental and social threats, such as damaged wildlife habitat, harmed water quality, obstructed fish migration, and diminished recreational benefits of rivers. What are the economic impacts of hydroelectric power? Economic […]

Do guardrails have three main parts?

Do guardrails have three main parts? Guardrails have three main parts: a top rail, a mid rail, and a toe board. What does guardrail mean? : a railing guarding usually against danger especially : a barrier placed along the edge of a highway at dangerous points. Synonyms Example Sentences Learn More about guardrail. What is […]

How do you strengthen a double bottom?

How do you strengthen a double bottom? Vertical stiffeners usually in the form of welded flats will be attached to the solid plate floors, which are further strengthened if they form a watertight or oiltight tank boundary. In way of the bracket floors a vertical welded flat stiffener is attached to the side girder. What […]

Why is it called impedance?

Why is it called impedance? Impedance, denoted Z, is an expression of the opposition that an electronic component, circuit, or system offers to alternating and/or direct electric current. Impedance is a vector (two-dimensional)quantity consisting of two independent scalar (one-dimensional) phenomena: resistance and reactance. What is the total energy stored in an LC circuit? Figure 4: […]

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