7. Two teams are competing in a tug-of-war contest. Team A is pulling at 4000N and Team B is pulling at 4900N is the opposite direction. Sketch the forces and show the net force exerted. Which team is winning Is this force balanced or unbalanced?
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Answer:
The Team B is winning. The force is unbalanced.
Explanation:
Step 1: First we must fix a positive sense to the forces exerted. We take as positive the force of 4900 N.
Step 2: Now we must add forces to determine the value of the resulting force ().
= 4900 N - 4000 N = 900 N
Since is positive, team B will win the competition.
The resulting force is unbalanced because if it is balanced it should give 0.
Have a nice day!
Final answer:
In the tug-of-war competition, team B is winning because it is exerting a stronger force. The net force is 900N to the left, showing an unbalanced force scenario, which will cause a change in motion or acceleration of the teams towards team B.
Explanation:
Let's visualize this tug-of-war contest as a simple force diagram. To the right, we have team A exerting a force of 4000N, and to the left, we have team B exerting a stronger force of 4900N. In terms of net force, this means we subtract the smaller force (team A's force) from the larger one (team B's force), giving us a net force of 900N in the direction of the stronger force—in this case, to the left, following team B.
This situation represents an unbalanced force scenario because the two forces are not equal in magnitude and do not cancel each other out. As a result, there is a net force leading to an acceleration—according to Newton's Second Law of Motion, any unbalanced force will cause a change in motion or acceleration. So, in this scenario, team B will be winning.
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Everything around us undergoes some changes. The changes can be either physical or chemical. The cutting of hair is an example of physical change.
What is physical change?
The physical change is defined as the type of change in which the physical properties of matter such as colour, state of matter, odour, solubility, etc. change. During this change neither the composition nor the chemical nature of the substance is changed.
In a physical change the molecules rearrange among themselves without affecting the internal composition. The chemical property of a substance is not affected by the physical change. But in chemical change the chemical composition of the matter change.
When you cut your hair, some of it is removed it is still your hair. The hair is altered somehow but remains the same substance. Hence it is a physical change. Other examples are cutting paper, melting of ice, etc.
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Since the hydrangeas are changing color depending on whether the soil is acidic or basic, they must have an indicator. This means that any hydrangea planted in acidic soil will have blue flowers and any hydrangea planted in basic soil will have pink. One common indicator present in many plants is anthocyanin, so maybe hydrangeas contain that chemical.
I think the soil has a lot to do with the reason why the flowers have different colors.
Soil
A soil is a mixture of organic matter that supports life. There are 4 types of soil which are sand, silt., clay and loam soil.
A hydrangea flower is affected by the acidity of the soil to influence the color it turns out to be.
The acidic property in the soil used to plant the flower turned it blue,
while The alkaline property in the soil turned the color pink.
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