An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left. What is the magnitude and direction of the net force?
O A. 9 newtons to the right
OB. 9 newtons to the left
O c. 22 newtons to the right
O D.35 newtons to the right
O E 35 newtons to the left

selected the wrong subject

The net force is A) 9 newtons to the right

Explanation:

In order to find the net force, we have to use vector addition.

First of all, we have to define a positive direction for the vectors. We take the following convention:

To the right = positive direction

To the left = negative  direction

Therefore, the two forces acting on the object are:

A force of 22 N to the right --> therefore we can write it as  (positive)

A force of 13 N to the left --> therefore we can write it as  (negative)

Since the two forces act on the same line, we can calculate theire resultant simply by adding them together with the proper sign. Therefore, the net force is

And the sign of the net force (positive) tells us that the direction is to the right.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

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