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Gumansingh Singh 4 years, 8 months ago
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Yogita Ingle 5 years, 2 months ago
When an object changes its position with elapse of time in respect to a stationary object, such as a building, electric pole, etc., the object is said to be in motion.
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Yogita Ingle 5 years, 2 months ago
Gravitation is the force of attraction between any two bodies. All the objects in the universe attract each other with a certain amount of force, but in most of the cases, the force is too weak to be observed due to the very large distance of separation. This force of attraction was first observed by Sir Isaac Newton and was presented as Newton’s law of gravitation in the year 1680.
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Gaurav Seth 5 years, 2 months ago
Question: A block of mass 5kg is at rest on a smooth horizontal surface.wter coming out of pipe horizontally at the rate 2 kg s, hits the block with a velocity of 6 ms.the initial acceleration of the block is?
Ans:
Given,
m = 5 kg
rate of water (dm/dt) = 2 kg/sec
We know that,
Posted by Murugan Duraisamy 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m-2 or kg m-1s-2).
The CGS unit of pressure is barye (Ba), equal to 1 dyn·cm−2, or 0.1 Pa.
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Yogita Ingle 5 years, 4 months ago
A Pseudo force (also called as fictitious force, inertial force or d’Alembert force) is an apparent force that acts on all masses whose motion is described using a non-inertial frame of reference frame, such as rotating reference frame.
Pseudo force comes in effect when the frame of reference has started acceleration compared to a non-accelerating frame.
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Gumansingh Singh 4 years, 8 months ago
1Thank You