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2 years ago

An action force is 50 N to the left. The reaction force must be:

Physics

2 answers:

igomit [66]2 years ago

7 0

<h2>According to Newton's Third Law:</h2><h3>"For every action,there exists an equal and opposite reaction"</h3>

<h3>So an action force of 50 N to the left, results in a 50 N reaction force to the right.</h3>

<h2>Option A</h2>

saveliy_v [14]2 years ago

7 0

Answer is B
50 N down

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The field is

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Answer:

a) $a=5.7551 \times g$

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3 years ago

Helppp plss

shutvik [7]

Answer:

a) P = 149140[w]; b) 1491400[J]; c) v = 63.06[m/s]

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As the solution to the problem indicates, we must convert the power unit from horsepower to kilowatts.

P = 200 [hp]

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Now the power definition is known as the amount of work done in a given time

P = w / t

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w = work [J]

t = time [s]

We have the time, and the power therefore we can calculate the work done.

w = P * t

w = 149140 * 10 = 1491400 [J]

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$E_{k}=w=0.5*m*v^{2}\\ where:\\v = velocity[m/s]\\m=mass=750[kg]\\w=work=1491400[J]\\$

The key to solving this problem is to recognize that work equals kinetic energy

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