# Often asked: How To Find The Force On A Bicycle Chain Given Pedal Force?

## How much force is on a bike chain?

Even so, road bike chains are strong enough for very strong riders, and even strong enough for mid drive e-Bike conversions (motor adds to the chain drive force) of 1,000 watts (1.3 horsepower) or more.

## How do you calculate force on a bike?

Physics of bicycle speed where FP is the propulsive force and FR is the sum of all resistance forces. Assuming a constant speed has been reached, acceleration is zero and the above equation simply becomes FP = FR. Multiplying this by velocity, v, converts the propulsive force into the propulsive power PP.

## Which force is applied to the pedal on a bicycle?

The friction force is used by your legs to pedal a bicycle.

## Do bike chains break?

Chains, like anything else on your bike, can be damaged if it gets hit hard enough. While not as common, chains can break if they are involved in a rock strike or other impact. Impact damage to chains can be more difficult to repair than if the chain breaks due to wear.

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## How do you calculate chain force?

Calculate the mechanical gain of the pedal arm and front sprocket. Since the pedal arm represents an effective radius of seven inches, it is longer than front sprocket’s pitch radius = 8.281 inches/2 = 4.1405 inches, so the force on the chain is 7 inches/4.1405 inches = 1.69 times pedal force.

## How much force is required to ride a bike?

Assuming you have a bike with low friction (thin tires, well inflated) on a flat surface, then 200 – 250 W of net power will be enough to maintain a speed of 20 mph.

## What can you say about the acceleration of bicycle?

The acceleration of the bicycle will depend on how much force exerted doing the pedal for the bicycle to accelerate. The muscle of your legs will be the source of force for the bicycle to move and you together with the bicycle provides the mass. Lesser mass and strong force will result to higher acceleration.

## How does friction help the bike to slow down or stop?

Friction causes resistance in motion. It is also a force that acts in opposite direction of motion. When you put a brake on your bicycle, it stops suddenly because you increase the friction between the wheels and road.

## How much energy is expended when pedaling a bike?

If you pedal on an exercise bike for half an hour, the bike readout will probably tell you that you burned about 300 food calories (0.3 kWh). Of that, perhaps 75% heats you up, while a quarter goes into the bike, so you’re putting in about 0.1 kilowatt-hours of electricity.

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## Which part of the normal bicycle serves as the accelerator?

The part of the bike that serves as the accelerator is the pedal. The pedal of the bike have a chain connected to rear wheel which when you pedal the bike, the wheel will turn forward and making the back run. The more you pedal your bike, the more speed it will gain and acceleration occur.

## Is air resistance a contact force?

Examples of contact forces are: friction • air resistance • water resistance • upthrust. Some forces do not need to touch the thing that they are affecting. They are called non- contact forces.

## Can I fix a broken bike chain?

To fix a broken or bent chain, you will need to remove it from your bike AND remove the broken or bent links. To do that, you will need a chain breaker tool. In the video, we used the Park Tool Master Chain Tool, which is the best tool for the job.

## What is chain breaking?

: a brief radio or television commercial given during one of the station-identification intervals in a network program.

## How much force can a bicycle chain withstand before it breaks?

A standard 41 chain is rated to 2000 pounds. A chain lesser than a bicycle chain was rated at 900 pounds so that should give you some range to go by. My marginally educated guess would say that a multi speed bike chain would be around 1000 pounds and a 410/BMX chain I would say in the 1200 pound range.