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2 years ago

The relationship among mass force and acceleration is explained by

Physics

2 answers:

Anettt [7]2 years ago

7 0

Newton's second law of motion. F = m a .

Murljashka [212]2 years ago

6 0

Newton's Second Law Of Motion:

Force = Mass x Acceleration

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* Force, a product of mass and acceleration, is measured in Newtons. (N)
* Mass is the amount of matter an object contains. (kilograms)
* Acceleration is the increase in velocity over time, which is measured in metres per second squared. (m/s²)

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AlexFokin [52]

Answer:

C) When wind direction or wind speed changes with altitude :)

Explanation:

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3 years ago

What is the average power output of an athlete who can life 9.0 * 10^2 kg 2.5 m in 2.0 s?

eduard

Answer:

Average power output of athlete = 11025 Watts

Explanation:

Work done is defined as the product of force applied and the displacement perpendicular to the force.

Work = $Force\times Displacement$

Power is defined as work done per unit time.

Power = $\frac{Work done}{Time}$

Here the person lifts 900 kg.

Height = 2.5 m

Time interval = 2 seconds

Force = $weight \times gravity$

= $900 \times 9.8$

= 8820 N

Work done = $Force\times Displacement$

= $8820 \times 2.5$

= 22050 J

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3 years ago

In the following free body diagram, what is the net force on the object?

frozen [14]

Answer:

Explanation:

Simply take all forces pointing to the right of the box as positive and all of the forces pointing to the left of the box as negative and add all values.

ΣF = 7 + 18 + (-20) = 5N to the right

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1 year ago

Cassidy Carver's family child care center has an activities table with four chairs an easel that can accommodate a child on each

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2 years ago

The eficiency of a <br> simple machine can never be 100% why?

Kitty [74]

Answer:

Systems always tend toward a state of decreasing order unless more energy is provided into the system to counteract this tendency.

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2 years ago