HOOKE'S LAW Introduction In physics, Hooke's Law is one of the fundamental principles governing how objects deform under external forces . Named after the 17th-century British physicist Robert Hooke, this law provides a crucial understanding of the behavior of elastic materials, such as springs and rubber bands. Whether stretching a rubber band or compressing a spring, Hooke's Law helps explain what happens when forces act on these materials. What is Hooke's Law: Hooke's Law states that the force F needed to extend or compress a spring by some distance x is proportional to that distance. Mathematically, it is expressed as: F= -kx Here k represents the spring constant, which is the measure of the stiffness of the spring, and x is the displacement from the displacement position. The negative sign indicates that the force exerted by the spring is in the opposite direction of the displacement. Understanding the Spring Constant: The spring constant k is a critical co...
SHOPPING Ø SUMMARY OF “SHOPPING”: Mother wanted to do shopping, so he took Najma and Ajmal with her as their father was on tour and as they ran out of the grocery and provisions. Ajmal and Najma were very excited to do the home shopping for first time. They hired a taxi from road side the taxi was charging 25Rs for market, as meter out of order. Mother offered him 15 rupees as the market was hardly 2km far. The taxi driver agreed and they arrived the market. Ajmal and Najma saw slaughtered animals hanged on the butcher’s shop. They asked the difference between mutton and beef, and mother replied, “Beef is the meat of cows while Mutton is the meat of goats and sheep”. From butcher’s shop they purchased 1 kg of leg meat and 1kg of minced meat. Then they went to the vegetable market where they purchased 5 kilo of onions, 2kg of potatoes, 1 kg each of cabbage, cauliflower and turnips, and green peas, two kilo of spinach, and five kilos of carrots. They bought ten bananas and one kil...