Acceleration of a car when given torque and mass

In summary: Yes, in summary, the conversation involves determining the acceleration and speed of a car with a mass of 1200kg and a total torque of 2300Nm, with a tire radius of 0.306m. The conversation also discusses different equations related to torque and force, and suggests further research on the concept of torque in order to find the correct answer.
  • #1
lofty28
9
0
A car has a mass of 1200kg and delivers a total of 2300Nm of torque.
Tyre radius of 0.306m.
What is the acceleration of the car in m/s^2?
What is the speed of the car if it has accelerated for 11 seconds? (determained in first question),


I have looked at a few and still a bit stuck.
A=m*R
and then convert to m/s^2
or
W=(fcos theta)(d)

Attepted both and seem to still be getting the wrong answer..
A= 1200*0.306
= 367.2m/s^2

or
W=(2300cos45)(0.306*2)
= (1626.35)(0.612)
= 995.3262

As you can see i am well off the right answer. I am more incline to think it is the equation A=m*R...
Please help!
 
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  • #2
lofty28,

How many Newtons of force are applied to the auto when when 2300n-m of torque are applied to a tire of 0.306m radius?

Ratch
 
  • #3
Newtons of force... Would that be the mass...? soo 1200kg or 11767.98 N.
Is this what you mean?
 
  • #4
lofty28,

Newtons of force... Would that be the mass...? soo 1200kg or 11767.98 N.
Is this what you mean?

In the MKS system, force is measured in Newtons, mass is measured in kilograms.

Ratch
 
  • #5
All the information given in the question is what i posted before...
Is there any way that i can figure this out with the given information..?
Please help i am extremely stuck...

Thanks
 
  • #6
lofty28,

Do you know what torque is?

Ratch
 
  • #7
I have the understand torque is the mesument of power around a pivot point...
I am not entirly sure, this is proberbly why i am haveing trouble with the question..
 
  • #8
lofty28,

You need to read a good physics book and find out what torque really is. Then the answer to my question in post #2 will become clear.

Ratch
 

FAQ: Acceleration of a car when given torque and mass

1. How does torque affect the acceleration of a car?

Torque is a measure of the twisting force that an engine can produce. In a car, torque is responsible for accelerating the vehicle from a standstill. The higher the torque, the quicker the acceleration.

2. What is the relationship between torque and mass when it comes to acceleration?

The acceleration of a car is directly proportional to the torque and inversely proportional to the mass of the car. This means that a car with a higher torque and lower mass will accelerate faster than a car with a lower torque and higher mass.

3. How does the type of transmission affect the acceleration of a car?

The type of transmission in a car can affect its acceleration. For example, a manual transmission allows the driver to control the torque and shift gears, resulting in quicker acceleration compared to an automatic transmission where the torque and gear shifts are controlled by the car's computer.

4. Can the acceleration of a car be improved by increasing the torque?

Yes, increasing the torque can improve the acceleration of a car. However, it is important to note that other factors, such as the car's weight and aerodynamics, also play a role in determining the acceleration.

5. How does the acceleration of a car change with its speed?

As a car gains speed, its acceleration decreases. This is due to the fact that the air resistance increases with speed, making it harder for the car to maintain its acceleration. Other factors such as the car's gear ratio and engine power also come into play at higher speeds.

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