JEE Main Physics question
**Statement I:** When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is always in the forward direction. **Statement II:** The frictional force acts only when the bodies are in contact.
Answer: (D)
Solution
On the pedalled (driven) wheel, friction does act forward to propel the bicycle; but on the free-rolling (non-driven) wheel, friction can act backward (e.g. while
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account