A sports car of mass 1311.8 kg can accelerate from rest to 21.22 m/s in 3.5 s. What is the average forward force on the car?
a=(Vf-Vo)/t = (21.32-0)/3.5 = 6.06m/s^2
F = ma = 1311.8 * 6.06 = 7953.3 N.
To find the average forward force on the car, we can use Newton's second law of motion, which states that the force acting on an object is equal to its mass multiplied by its acceleration.
The given information is as follows:
Mass of the sports car (m) = 1311.8 kg
Acceleration (a) = Change in velocity (Δv) / Time taken (t) = (21.22 m/s - 0 m/s) / 3.5 s
Let's calculate the acceleration first:
Acceleration (a) = (21.22 m/s - 0 m/s) / 3.5 s
= 21.22 m/s / 3.5 s
Now, we can substitute the known values into the formula for average force:
Average force (F) = m * a
= 1311.8 kg * (21.22 m/s / 3.5 s)
Calculating this expression will give us the average forward force on the car.