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Yogita Ingle 4 years, 10 months ago
Earth attracts everything towards it by an unseen force of attraction. This force of attraction is known as gravitation or gravitation pull.
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Yogita Ingle 5 years, 1 month ago
Any number can be written as the product of a number between 1 and 10 and a number which is power of ten. The exponential part of a particular measurement is called order of magnitude of a quantity.
Example: Diameter of Jupiter = 142700000 m = 1.427 x 108 m
Order of magnitude = exponential part = 108 m
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An odometer or odograph is an instrument used for measuring the distance travelled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two.
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Posted by Aryan Lande 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
According to the Work-Energy Theorem, the work done by a net force on an object is equal to the change in its kinetic energy can be proved mathematically as the following:
1/2 mv 2 - 1/2 mu2 = 1/2 m(2ad)
1/2 mv2 - 1/2 mu2 = mad
1/2 mv2 = Final Kinetic energy, K.Ef.
1/2 mu2 = Initial Kinetic energy, K.E.i
According to Newton's Second law of motion, F= ma
work done by the net force W = Fd
So, K.Ef - K.E.I = W
Posted by Aryan Lande 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
SONAR (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
Posted by Aryan Lande 5 years, 4 months ago
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Posted by Rishabh Bharti 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Force can be defined as an external agent capable of changing the state of rest or motion of a particular body. It has a magnitude and a direction. The direction towards which the force is applied is known as the direction of the force, and the application of force is the point where force is applied. The Force can be measured using a spring balance.
The SI unit of force is Newton(N).
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