The above free body diagram represents the motion of a toy car across a floor from left to right. the weight of the .5 kg car is about 5 n and it is being pushed with 20 n of pressure. if there is 10 n of friction across the floor, what is the net force acting on the car?

a
since the car is moving to the right, the normal force is balancing the weight and the net force is 10 n, right.

b
friction and the normal force are acting opposite the applied force, so the net force is 5 n, right.

c
the net force is 35 n, the addition of each of the forces acting on the car and causing it to accelerate.

d
net force is equal to mass times acceleration so the net force is .5 kg times 9.8 m/s2 or roughly 5 n.

A

Since the car is moving to the right, the Normal Force is balancing the Weight and the Net Force is 10 N, right.

Explanation:

as the answers says, the only two forces in the y axis are the normal force and the weight, and they balance each other. On the x axis, you have 20N to the right and the friction is a force that opposes the movement, so the 10N are to the left. The net force is 20 - 10 = 10N.

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