A person rides a bicycle and finds that he has to exert hard to pedal. What can he do to overcome this problem?

Open in App

Solution

He has to apply more force because of the friction between the parts of the bicycle. He may apply oil to the parts to reduce the friction.

Suggest Corrections

Similar questions

A man rides his motorcyle at the speed of 50 km/h. He has to spend Rs 2 per km on petrol. If he rides it at a faster speed of 80 km/h, the petorl cost increases to Rs 3 per km. He has atmost Rs 120 to spend on petrol and one hour's time. He wishes to find the maximum distance that he can travel. Express this problem as a linear programming problem.

Q. Sam was riding an old bicycle when he felt that the cycle was tough to pedal. He oiled the chains and lubricated the bearings for making the cycle better to use. Which force did he try to minimise by taking these steps?

The figure below shows the plan of a town. A person "X" rides his bicycle from house at A to office at B, taking the shortest route.
The number of shortest paths that he can choose is:

Q. One joy ride lasts 3/12 h. Alex has 3/2 h to play. Find the number of rides he can complete in this time.

Q. A cyclist riding a bicycle fitted with dynamo to a tyre gets bright light from the bulb connected when he s fast. this is because

Join BYJU'S Learning Program