The Car Shown Has A Mass Of M1000 Kg And A Center

Question

The car shown has a mass of m=1000 kg and a center of mass located at G. The coefficient of stati…

The car shown has a mass of m=1000 kg and a center of mass
located at G. The coefficient of static friction between the wheels
and the road is μs=0.250.

The dimensions are a=1.15 m, b=1.55
m
, and c=0.290 m. Assume the car starts
from rest, the wheels do not slip on the road, and that the car
experiences constant acceleration. Neglect the mass of the
wheels.

Part A – Shortest Time to Reach a Given Speed with Rear-Wheel
Drive

Determine the shortest time it takes the car to reach a speed of
v=88.0 km/h , starting from rest, if the engine drives only the
rear wheels.

Part B – Shortest Time to Reach a Given Speed with Front-Wheel
Drive

Determine the shortest time it takes the car to reach a speed of
v=88.0 km/h, starting from rest, if the engine drives only the
front wheels.

Part C – Shortest Time to Reach a Given Speed with All-Wheel
Drive

Determine the shortest time it takes the car to reach a speed of
v=88.0 km/h, starting from rest, if the engine drives all four
wheels.

Solutions

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