The image below shows a force of 10 N being applied to an object. The force is being applied toward the right, so the object is accelerating to the right. No other force is acting on the object. Examine the image. Then, answer the question that follows. A second force of 7 N is applied to the object. If this second force is applied toward the left while the first force is still being applied toward the right, which of the following will occur?
Answers
Answer:
The object will immediately accelerate toward the left.
Explanation:
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Concept:
When the forces are acting on the opposing sides, they are subtracted to get the resultant.
Given:
A force of 10 N is acting on the object towards the right.
Find:
When the 7N force is acting along the left side, what will happen?
Solution:
When the force of 10 N is applied to the object towards the right it is depicted in Image 1. The object is then moving, towards the right. But when the 7 N force is applied towards the left, the magnitude of the force on the right side is decreased to 3 N as when the forces are acting on the opposing sides, they are subtracted to get the resultant. This is depicted in Image 2.
As on the right side, there is still a force of 3 N applied, the object will still be accelerated in the right direction, but the magnitude will be decreased. This is depicted in Image 3.
So, the first force is still being applied and the object will be accelerated towards the right direction with a lesser magnitude of acceleration.
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