FORCE AND PRESSURE

FORCE AND PRESSURE 1. S.I unit of pressure is ____________. 2. Pressure in solid depends upon ________________ and ____________. 3. A moving ball on a ground stops after some time. Name the force responsible for it. 4. Name the type of force involved in the following. a) To pick your school bag. b) To collect scrap iron from garbage. c) To push or pull a loaded trolley ay supermarket. 5. Name the device used to measure pressure in fluids. 6. A rolling ball stops after sometime due to (gravitational force/ Frictional force). 7. Force used to stretch the spring is (muscular force/ magnetic force) 8. Application of force brings the change in a) shape and size of object b) speed and direction of object c) position of object d) all the above 9. Static friction comes to play when the object is a) Rolling b) Sliding c) Moves from rest d) None 10. Rolling friction comes to play when the object is. a) Rolling b) Sliding c) Comes to rest d) all of these