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In this diagram, an object is represented by the circle and the arrows represent the forces acting on the object.

How would the object be expected to behave if it starts out not moving?

Responses

speed up moving to the left

speed up moving to the left

speed up moving to the right

speed up moving to the right

move to the left at a constant speed

move to the left at a constant speed

move to the right at a constant speed

move to the right at a constant speed
Number line with point marked right of center labeled 300 N on the left side 100 N on the right side

1 answer

To determine the behavior of the object in the diagram, we need to analyze the forces acting on it:

  • It appears that there are two forces represented: one with a magnitude of 300 N to the left and another with a magnitude of 100 N to the right.

Next, we calculate the net force acting on the object:

  1. Leftward force: 300 N
  2. Rightward force: 100 N

The net force can be determined by subtracting the rightward force from the leftward force:

\[ \text{Net Force} = \text{Left Force} - \text{Right Force} = 300\text{ N} - 100\text{ N} = 200\text{ N (to the left)} \]

Since the object starts out not moving and there is a net force of 200 N to the left, according to Newton's second law, the object will accelerate in the direction of the net force.

Therefore, the correct response would be:

speed up moving to the left.