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Ask QuestionPosted by Sejal Kanse 4 years, 7 months ago
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Posted by Hanmant Bajgire 4 years, 7 months ago
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Yogita Ingle 4 years, 7 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.
Posted by Gokul Jadhav 4 years, 7 months ago
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Yogita Ingle 4 years, 7 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.
Posted by Nirmal K 4 years, 7 months ago
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Gaurav Seth 4 years, 7 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 4 years, 8 months ago
- 5 answers
Yogita Ingle 4 years, 8 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.
Posted by Chandan Debnath 4 years, 8 months ago
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Posted by Ravi Rk Abega Ravi Rk Abega 4 years, 9 months ago
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Posted by Amisha Nanda 4 years, 9 months ago
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Posted by Awadhesh Kumar 4 years, 9 months ago
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Yogita Ingle 4 years, 9 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.
Posted by Tikam Arya 4 years, 10 months ago
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Just Kidding 4 years, 10 months ago
Posted by Reasoning Videos 4 years, 11 months ago
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Posted by Pragya Jain 5 years ago
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Viveknand Singh 5 years ago
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Utkarsha Nayak 5 years ago
Posted by Ayush Dhinchak 5 years, 1 month ago
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Yogita Ingle 5 years, 1 month ago
- Force that resists motion of one body over another with which it is in contact.
- Denoted by fk
- As motion starts, fs vanishes and fk appears
- Kinetic friction is Independent of the area of contact and velocity of the body
- It varies with Normal reaction, N
fk ∝ N
fk = constant * N
fk = μk N; μk is the coefficient of kinetic friction
Posted by Rashid Beigh 5 years, 1 month ago
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