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Temperature Scales Commonly used five temperature scales are :- Centigrade / Celsius (ºC) Fahrenheit (ºF) Kelvin (K) Reaumur scale (ºR) Rankine Scale (ºRN) All these scales have Lower Fixed Point (L.F.P.) as melting point of ice and Upper Fixed Point (U.F.P.) as boiling point of water. All of these temperature scales are…
Principle of Measurement of Temperature Measurement of Temperature :- In the previous article Temperature we discussed that for temperature measurement of an object, we need to construct a temperature scale. In that temperature scale we utilize any measurable property of a system that varies linearly over a wide range with temperature. That…
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Temperature The concept of temperature is rooted in qualitative ideas based on our sense of touch. A body that feels “hot” usually has a higher temperature than a similar body that feels “cold.” Many properties of matter that we can measure i.e. :— the length of a metal rod steam pressure in a…
Motion of a vehicle on a plane and banked circular path The vehicles require centripetal force at the bend of a road and this centripetal force is provided to the vehicle by the frictional force between the road and the tires of the vehicle or the radial component of the normal reaction on…
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Newton’s Second Law of Motion According to Newton’s Second Law :- “The rate of change of liner momentum of a body is directly proportional to the external force applied on the body and the change takes place in the direction of the applied force.” Here k is constant of proportionality. Now in the earlier…
Impulse | Impulse-Momentum theorem Impulse | Impulse-Momentum theorem :- The change in momentum of an object can be made in two ways- By applying a smaller magnitude of force for long time. Applying a large force on the object for a short time. Thus we can say that the change in momentum of an…
Linear Momentum It is observed that more is the mass of a body, the more is the impact of motion. Similarly, the more the velocity possessed by a body, the more is its impact of motion. In simple words the impact of motion or amount of motion is measured by the quantity momentum….
Newton’s First Law or Law of Inertia Newton’s First Law or Law of Inertia :- If an object is at rest, then it will remain at rest and if it is in motion, then it will remain in motion in the same direction unless an external force is applied on it. This…
Fundamental Forces in nature Fundamental Forces :- All the forces observed in nature such as muscular force, tension, reaction, friction, elastic, weight, electric, magnetic, nuclear, etc., can be explained in terms of only following four basic forces :- (1) Gravitational Force (2) Electromagnetic Force (3) Nuclear Force (4) Weak Force (1) Gravitational Force The…
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SI Unit of force | Unit of force | CGS unit of force SI Unit of force SI unit of force is Newton, which is defined as…. 1 Newton is that force which produces an acceleration of 1 ms-2 in an object of mass 1 kg. From newton’s second law i.e., F = ma,…
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