Answer:
1. The normal force acting upon the car is best represented by arrow A.
Reason:
The direction of normal force is always upward and opposite to gravitational force that why A is correct option.
2. The force of gravity acting upon the washers is best represented by arrow B.
Reason:
The direction of gravitational force is always downward toward the center of gravity and opposite to normal force that why B is correct option.
3. The applied force on the car is best represented by arrow C.
Reason:
The direction of applied force is along the direction in which it moves. that why C is correct option.
