why forces are balanced and unbalanced? need help with this the lesson is tommorow

Answers

Answer 1

Answer: "Balanced" means that if there's something pulling one way, then there's also
something else pulling the other way.

-- If there's a kid sitting on one end of a see-saw, and another one with the
same weight sitting on the other end, then the see-saw is balanced, and
neither end goes up or down. It's just as if there's nobody sitting on it.

-- If there's a tug-of-war going on, and there are 300 freshmen pulling on one
end of a rope, and another 300 freshmen pulling in the opposite direction on
the other end of the rope, then the hanky hanging from the middle of the rope
doesn't move. The pulls on the rope are balanced, and it's just as if nobody
is pulling on it at all.

-- If a lady in the supermarket is pushing her shopping cart up the aisle, and her
two little kids are in front of the cart pushing it in the other direction, backwards,
toward her. If the kids are strong enough, then the forces on the cart can be
balanced. Then the cart doesn't move at all, and it's just as if nobody is pushing
on it at all.

From these examples, you can see a few things:

-- There's no such thing as "a balanced force" or "an unbalanced force".
It's a group of forces that is either balanced or unbalanced.

-- The group of forces is balanced if their strengths and directions are
just right so that each force is canceled out by one or more of the others.

-- When the group of forces on an object is balanced, then the effect on the
object is just as if there were no force on it at all.

Answer 2

Answer: Because the way it's being set down on . It's like newtons law, what stays at rest stays unless an outside force does something.

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A soccer ball is kicked horizontally off a bridge with a height of 36 m. The ball travels 25 m horizontally before it hits the pavement below. What was the soccer ball’s speed when it was first kicked

Answers

Answer:

9.23 m/s

Explanation:

Let, the initial velocity be ux.

The horizontal velocity remans the same. So, time required, t = 25/ux

For vertical component, we know,

h = uy*t + (1/2)*g*t^2 [ g is positive because ball is falling downward ]

Putting in the values, we get,

36 = 0*(25/ux) + 1/2 * 9.81 * (25/u)^2

36 = 3065.625/u^2

u^2 = 85.15625

u = 9.23

[ If there's a problem with the solution, please inform me ]

In the muscle cells in your body, ______ energy is changed into __________ energy.

Answers

Chemical and Kinetic are your answers

Name three acids and three bases and list an industrial or household use of each

Answers

acid: soda(drink) stomach acid, vinegar
base: blood(red cross) egg whites( cook) baking soda (clean)

Bases:
Bleach (cleaning product)
Ammonia (cleaning product)
Baking Soda (weak base)
Drain Cleaner
Soap

Acids:
Lemon Juice (food product)
Vinegar (food/cleaning product)
Hydrogen Peroxide (weak acid) (cleaning/bleaching agent)
Coffee (food product)

What are the cell structures that converts nutrients for energy in cell functions?

Answers

Mitochondria is the cell muction that converts nutrients for energy in cell functions.

Answer:

The answer would be Mitocondriea

Explanation:

How many people does it take to pull a wagon?

Answers

2 3 4 it really depends on how many people are in the wagon.

depends on what the wagon looks like and everything, how much it can hold. ect

Which of the following is another term for a planned economy

Answers

The correct answer would be, Socialist system.

Socialist system is another term for a planned economy.

Explanation:

An economic system, in which the economy(including investment, capital and allocation of capital goods) is governed by a predefined economic and production plans, is called as the Planned Economy.

The system of planning in this economic system can either be centralized, decentralized or participatory.

This economic system is regulated by the Government. All decisions about the capital, lands, buildings, machinery, or other resources are taken by the government.

The production, prices, distribution, etc of the products or services are regulated centrally by the government.

Learn more about Planned Economy at:

brainly.com/question/14703586

#LearnWithBrainly

Answer:

Another term for planned economy is a socialist system.

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