EnergeticTech

 Very short Answer Type (1 Mark) 1. What is force? What are its effects on a body? What is its unit? 2. What are balanced and unbalanced force ? 3. The earth attracts an apple with a force say 1.5 N. If this is the action force, how much is the reaction force? Who exerts this reaction force? On which body does this reaction force act? 4. What is the definition of 1 Newton? 5. A man while getting off a moving train is liable to fall. Why ? 6. Give two examples each of situation in which you push or pull to change the state of motion of objects? 7. Give two example of situation in which applied force cause a change in the shape of an object? 8. Fill in the blanks in the following statements (A) To draw water from a well we have ______________ at the rope (B) A charged body ________an uncharged body towards it.. 9. A rocket has been fired upwards to launch a satellite in its orbits. Name the two forces acting on the rocket immediately after leaving the launching pad. 10. What is the S...

 1. A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough. Ans. Muscular force. 2. Where do we apply a force while walking? Ans. While walking we apply force on the ground. 3. A girl is pushing a box towards east direction. In which direction should her friend push the box so that it moves faster in the same direction? Ans. Towards east. 4. During dry weather, clothes made of synthetic fibre often stick to the skin. Which type of force is responsible for this phenomenon? Ans. Electrostatic force. 5. While sieving grains, small pieces fall down. Which force pulls them down? Ans. Force of gravity. 6. Does force of gravity act on dust particles? Ans. Yes 7. A gas filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity? Ans. Upward force is larger than the force of gravity. 8. Does the force of gravitation exist between two astronauts in space? Ans. Yes 9. A chapati maker is a machine which ...

   

Prevention of Coronavirus How to Protect Yourself Clean your hands often Avoid close contact Stay home if you’re sick Cover coughs and sneezes Wear a facemask if you are sick Clean and Disinfect Clean Your Hand Wash your hands often with soap and water for at least 20 seconds especially after you have been in a public place, or after blowing your nose, coughing, or sneezing. If soap and water are not readily available, use a hand sanitizer that contains at least 60% alcohol . Cover all surfaces of your hands and rub them together until they feel dry. Avoid touching your eyes, nose, and mouth with unwashed hands. Avoid Close Contact Avoid close contact with people who are sick Put distance between yourself and other peop...