What household devices use mechanical energy? Everyday Examples of Mechanical Energy Turning a doorknob. Breathing in and out. Hammering a nail. Riding a bicycle. Sharpening a pencil. Using kitchen appliances. Listening to music. Typing on a keyboard. What is the difference between kinetic and mechanical energy? The difference between kinetic and mechanical energy is that […]
What is a positive terminal and negative terminal?
What is a positive terminal and negative terminal? Electrical polarity is a term used throughout industries and fields that involve electricity. There are two types of poles: positive (+) and negative (−). This represents the electric potential at the ends of a circuit. A battery has a positive terminal (+ pole) and a negative terminal […]
What happens if the Earth spins backwards?
What happens if the Earth spins backwards? If Earth stopped rotating, it would be a disaster, but if it were to rotate backwards, it might not be as catastrophic. Trade winds at the equator, which normally blow westward, would reverse — hurricanes would no longer travel from east to west across the Atlantic. How long […]
What did the Earth look like in the Paleozoic Era?
What did the Earth look like in the Paleozoic Era? The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrate […]
How do we classify psychological disorders?
How do we classify psychological disorders? The DSM-IV uses a multi-axial system of classification, which means that diagnoses are made on several different axes or dimensions. The DSM has five axes: Axis I records the patient’s primary diagnosis. Axis II records long-standing personality problems or mental retardation. What is categorized anxiety? Anxiety is a normal […]
How much does a tank of oxygen cost?
What are the 3 main types of potential energy?
What are the 3 main types of potential energy? Types of potential energy include: Gravitational potential energy. Chemical energy. Nuclear energy. Elastic potential energy, also called spring energy. Electrical potential energy especially in a capacitor. What do you understand by potential energy explain with two examples? An object can store energy as the result of […]
Which is the best example of law of conservation of mass?
Which is the best example of law of conservation of mass? The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first […]
What is a unit of force called?
What has happened to many poor families since the welfare reforms of 1996?
What has happened to many poor families since the welfare reforms of 1996? As a result, it has lost more than one-third of its value since 1996, leaving fewer low-income families able to access the help they need. Fewer than one in four families with children living below the federal poverty line are helped by […]