The force which makes a vehicle to stop when break is applied is called
A). Gravitational force
B). Vanderwalls force
C). Frictional force
D). Covalant force
Frictional force
A brake is a mechanical device that inhibits motion by absorbing energy from a moving system. It is used for slowing or stopping a moving vehicle, wheel, axle, or to prevent its motion, most often accomplished by means of friction.
2. An oil drop spreads over water because
3. The quality or tone of a musical sound produced by a stringed instrument depends on
4. Bacteria and fungi act as ____ within an ecosystem.
6. For a person having hyper metropia the near point is
7. Pure water is bad conductor of electricity because it is
8. Water is not suitable as a calorimetric substance because it :