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# Why car acceleration decreases as it goes faster?

Updated: 4/28/2022

Wiki User

7y ago

Air drag.

The faster something moves through air, the harder it becomes to overcome the air drag. The faster you go, the more power it takes to speed up.

It's very similar to moving through water. Moving slowly, there isn't much resistance. But the more you speed up, the harder it becomes.

Wiki User

7y ago

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Q: Why car acceleration decreases as it goes faster?
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Related questions

### How do the direction of a car's velocity and acceleration compare when the car is slowing down?

When a car is slowing down, the direction of its velocity and acceleration are opposite. The car's velocity is in the direction of its motion, while its acceleration is in the opposite direction, which causes the car to decelerate.

### What type of acceleration is it when a car slows down?

When a car slows down, it is experiencing negative acceleration, also known as deceleration. This means the velocity of the car decreases over time.

### What is called when an object's speed decreases?

car negative acceleration, also deceleration

### How does friction decrease the acceleration of a car?

friction decreases the acceleration of a car by creating a greater force which pushes against the acceleration force. the friction is a force, but more of it means that whatever is pushing against it ( acceleration in this case) is made smaller.

### Why do cars not have to get faster and faster when it sets off?

A car has a variable power setting called a throttle. So you can vary the power and thus the acceleration and maximum speed you reach. Then there is friction resisting the movement of the car, so if the faster it goes the more power is required to to make it go faster or even maintain the speed you are at.

### How would acceleration effect your car?

It would make it go faster.

### What is a real life example of negative acceleration?

A real-life example of negative acceleration is when a car slows down to a stop at a red light. As the driver applies the brakes, the car's velocity decreases, resulting in negative acceleration.

it goes faster

It goes faster

### What happens to the air resistance on a car as the car goes faster?

The resistance is greater the faster the vehicle is going.

### Acceleration is against the direction of motion?

Acceleration can be in the opposite direction of motion, which is called deceleration. Acceleration can also be in the same direction as motion, causing an increase in speed. The direction of acceleration depends on the forces acting on the object.