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Physics

Concept of Speed and Velocity

Science > Physics > Motion in a Straight Line > Concept of Speed and Velocity In the last article we have studied the concept of distance travelled and displacement. Motion is an important part of our life. Our daily activities involve motion of different kinds. When we study motion, we come across another important concepts […]

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Physics

Displacement-Time Graphs (s-t Diagram)

Science > Physics > Motion in a Straight Line > Displacement – Time Graphs (s-t Diagram) The motion of a body can be analyzed effectively by plotting different types of graphs. viz: Displacement-Time graph, Velocity-time graph, etc. In this article, we shall study Displacement-Time graphs and their interpretation. Displacement – Time Graphs For Body at […]

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Physics

Concept of Motion and its Classification

Science > Physics > Motion in a Straight Line > Classification of Motion Motion is an important part of our life. Our daily activities involve motion of different kinds. In this topic, we shall study the terminology of Mechanics, concept of motion and classification of motion. Notes Very Short Answer Type Questions Short Answer Type […]

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Physics

Concept of Distance and Displacement

Science > Physics > Motion in a Straight Line > Concept of Distance and Displacement Motion is an important part of our life. Our daily activities involve motion of different kinds. When a body moves along a straight-line path, its motion is called the one-dimensional motion or motion in a straight line or rectilinear motion. […]

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Physics

Numerical Problems on Uniformly Accelerated Bodies Set – 05

Science > Physics > Motion in a Straight Line > Numerical Problems on Uniformly Accelerated Bodies Set – 05 Example 01: A body moving in a straight line has its motion described by s = 2 – 3t + 8 t2   Find the equations for its velocity and acceleration as functions of time. Solution: […]

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Physics

Numerical Problems on Uniformly Accelerated Bodies Set – 04

Science > Physics > Motion in a Straight Line > Numerical Problems on Uniformly Accelerated Bodies Set – 04 Important Formulae Example – 01: A body rises vertically upward to a height of 100 m, in 5 seconds, then comes back at the same position after another 5 s. Find the average speed and average […]

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Physics

Numerical Problems on Uniformly Accelerated Bodies Set – 03

Science > Physics > Motion in a Straight Line > Numerical Problems on Uniformly Accelerated Bodies Set – 03 Expression for the Distance Travelled by Body in nth Second of its Motion: By Newton’s Second equation of motion, s = ut + ½  at² where s = displacement of body in ‘t’ seconds u = initial […]

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Physics

Numerical Problems on Uniformly Accelerated Bodies Set – 02

Science > Physics > Motion in a Straight Line > Numerical Problems on Uniformly Accelerated Bodies Set – 02 In this article we shall study to solve more problems on uniformly accelerated bodies. Example 01: The initial velocity of a car is 10 ms-1. It accelerates uniformly at 2 ms-2 for 20 s and thereafter […]

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Physics

Numerical Problems on Uniformly Accelerated Bodies Set – 01

Science > Physics > Motion in a Straight Line > Numerical Problems on Uniformly Accelerated Bodies Set – 01 In this article we shall study the use of newton’s equation of motion applied to uniformly accelerated bodies. The equations of motion are: the first equation of motion ( v = u + at ), the […]

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Physics

CBSE XI: Units and Measurements Textbook Exercise

Conversion Table: Sr. No. From To Multiplying Factor 1 mm m x 10-3 2 cm m x 10-2 3 cm mm x 10 4 mm cm x 10-1 5 m cm x 102 6 m mm x 103 7 km hr-1 m s-1 x (5/18) 8 m s-1 km hr-1 x (18/5) 9 g cm-3 […]