# How is the force transfered from engine to wheels?

• Darkplayer01
In summary, the engine transfers force to the wheels through a series of mechanical components known as the drivetrain, which includes the clutch, transmission, driveshaft, and differential. The transmission plays a crucial role in transferring force by allowing the driver to select the appropriate gear ratio. Not all of the force from the engine is transferred to the wheels, as some is lost due to friction and other inefficiencies. The differential allows for different wheel speeds during turns while still transferring force from the engine. External factors such as road conditions, tire pressure, and vehicle weight can also affect the force transfer from the engine to the wheels.

#### Darkplayer01

Hos is the force from a Otto engine (petrol engine) transferred from the engine to the wheels so that the car can move?

I would like a short sceintific description, thanks :-)

This is a prretty easy question, is it homework?

engine turns shaft, shaft rotates in gearbox (transmission), transmission turns shaft, shaft turns differential (more gears) differential turns wheel shaft
for rear wheel drive anyway

## 1. How does the engine transfer force to the wheels?

The engine transfers force to the wheels through the drivetrain, which consists of a series of mechanical components that connect the engine to the wheels. This includes the clutch, transmission, driveshaft, and differential. As the engine spins, it creates rotational force that is transmitted through these components to the wheels, causing them to turn.

## 2. What role does the transmission play in transferring force?

The transmission is a crucial component in transferring force from the engine to the wheels. It allows the driver to select the appropriate gear ratio to match the speed and torque requirements of the vehicle. By changing gears, the transmission can increase or decrease the amount of force being transferred to the wheels.

## 3. Is all of the force from the engine transferred to the wheels?

No, not all of the force from the engine is transferred to the wheels. Some of the force is lost due to friction and other mechanical inefficiencies in the drivetrain. This is why a vehicle's advertised horsepower may not be the same as the actual amount of power reaching the wheels.

## 4. How does the differential contribute to force transfer?

The differential is a component of the drivetrain that allows the wheels to rotate at different speeds while still receiving power from the engine. This is important during turns, as the outer wheel needs to travel a greater distance than the inner wheel. The differential allows for this difference in wheel speed, while still transferring force from the engine to both wheels.

## 5. Can the force transfer from the engine to the wheels be affected by external factors?

Yes, external factors such as road conditions, tire pressure, and weight of the vehicle can affect the force transfer from the engine to the wheels. For example, a vehicle driving on a slippery surface will require more force from the engine to maintain traction and move forward. Similarly, underinflated tires can decrease the amount of force being transferred to the wheels, resulting in reduced performance and fuel efficiency.