Question

Why more force is required to move bicycle on rough surface?

Answer 1

because the friction increases which decreases the speed of our bicycle

Answer 2

friction is everything which is the reason behind the daily activities . In this case to move bicycle on rough surface more force is required as force of friction/ frictional force is greater . we can easily move the bicycle on a smooth ones as there is less frictional force. this is all for the answer mate
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