Speed: Speed is the rate at which an object covers a distance. Speed is a scalar quantity. It has no direction . Velocity: Velocity may be defined as the rate of change of displacement. Or It can be also defined Read more
Rest: A body is said to be at rest when it does not change its position with respect to their environment and time. For example house, tower, tree etc. MOTION: A body is said to be in motion when it Read more
Work And Time Concept For Class 8 Part 1 Work And Time Concept For Class 8 Part 2 Work And Time Short Cut Trick For Class 8 Part 3
Express the following as a sum of perfect square: 16a2 + b2 + 9c2 – 4ab – 3bc – 12ca =1/2.(2.16a2 + 2. b2 + 2. 9c2 – 8ab – 6bc – 24ca)= 1/2.(16a2 + 16a2+ b2 + b2 + Read more
If a2+b2+4c2 = ab+2bc+2ca. Prove that a = b = 2c Multiplying both side by 2 we have. 2. a2 + 2. b2 + 2.4c2 = 2.ab + 2.2bc + 2.2ca 2. a2 + 2. b2 + 2.4c2 Read more
गर्मी का मौसम भारत में मई और जून के महीने में आता है । हम इस मौसम में बहुत असहज महसूस करते हैं। क्योंकि गर्मी का मौसम बहुत आसान मौसम नहीं है। इस गर्म से छुटकारा पाने के लिए मैने बहुत पहले Read more
Types of Motion: Rest: A body is said to be at rest when it does not change its position with respect to their environment and time. For example house, tower, tree etc. Motion:A body is said to be in motion Read more
To specify the position of an object, we need a point with respect to which we identify the position of that object. This point is known as the origin or reference point. Consider a man starts walking from point O. Read more
Introductin By Urooz Ali Journey By Night is written by “Norah Burke” It is one of the most popular short story of her collection: Jungle Picture Introduction: Sher Singh exhibited courage and showed fraternal love towards his brother Kunwar to Read more
Satellites are small celestial bodies which revolve around planets.Watch the image where moon is shown as a planet of the Earth. As the planets revolve around the sun, the satellites move with them. As a result , satellites also revolve Read more
