Question
Force of friction and Electrostatic force
| Force of friction | Electrostatic force |
| 1. It exists between any two surfaces in contact. | 1. It develops where certain objects are rubbed against certain material. |
| 2. No electric charge is developed, sometimes heat is developed. e.g. A brake is applied on a bicycle. | 2. Electric charge is developed. e.g. Thermocol rubbed against silk cloth. |
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