Answer:
The force is 
Explanation:
We can apply the following expression

To find the area of rectangular tent wall:

Now to find the force:



Answer:
The total momentum of the universe is always the same and is equal to zero. The total momentum of an isolated system never changes. Momentum can be transferred from one body to another.
Momentum quantifies how likely an object is to stay in motion. Momentum can also be explained using the equation, p=mv, where p is equal to momentum, m is equal to mass, and v is equal to velocity.
Explanation:
Because it reverses an image there for making the objects appear on opposite side