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A car of mass 1.15×103kg1.15×103kg is stalled on a horizontal road. You and your friends give the car a constant, forward, horizontal push. There is friction between the car and the road. Determine the directions of the four external forces that act on the car as you and your friends push it. (You can regard the combined push from you and your friends as a single force.)

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Answer:

The four forces acting on the car are

1. The combined forward (horizontal) push

2. The force of friction acting against the direction of motion (backwards)

3. The weight of the car acting downwards

4. The normal force of the ground on the tyres of the car acting upwards.

Explanation:

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