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Alex787 [66]
2 years ago
15

Consider a series of motion scenarios. Each scenario is accompanied by a short description and an arrow indicating the instantan

eous velocity. Assume that air resistance is negligible in every scenario. The only forces present in each scenario are gravity, surface (or normal) forces, and friction if indicated. Place the appropriate arrow, or zero, next to each scenario to indicate the direction of the net force acting on the block.

Physics
1 answer:
anygoal [31]2 years ago
7 0

The resultant force is obtained by taking into account the magnitude and direction of all the forces involved.

<h3>What is motion?</h3>

Motion refers to change in position with respect to time. The instantaneous velocity is the velocity at a given time during motion.

Since force is a vector quantity, we must note that the net force will point in a given direction after taken all other forces into account. The net/resultant force is the force tat will have the same effect in magnitude and direction as all the forces taken together.

Learn  more about resultant force: brainly.com/question/7041906

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The amount by which a machine multiplies an input force is called the ____.
Cerrena [4.2K]
When a <span>a machine multiplies an input force, that's called a mechanical advantage. Therefore letter C would be your answer. :)

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4 0
2 years ago
Why can't a transformer operate on a DC signal<br>​
likoan [24]

Answer:

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Explanation:

Hope this helps

7 0
2 years ago
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An elevator lifts a total mass of 1800 kg, a distance of 60 m in 60 s. How much power does the elevator generate?
emmainna [20.7K]

Answer:

17640

Explanation:

Power = workdone/time

Power = (force x displacement)/time

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3 0
3 years ago
A bumper car with a mass of 200 kilograms traveling at a velocity of 3.5 meters/second collides with a stationary bumper car wit
Ainat [17]
Answer: fourth option 1.2 × 10³ joules

Explanation:

1) kinetic energy is calculated as the half of the product of the mass times the square of the speed:

=> KE = (1/2) m × (v)²

2) you know the mass after the collision and the speed so you have all the data fo find the numerical value of the expression for KE:

m = m1 + m2 = 200 kg + 250 kg = 450 kg

KE = (1/2) × 450 kg × (2.3 m/s)²  = 1,190.25 joules ≈ 1200 joules = 1.2 × 10³ joules, which is the last option of the list.
5 0
2 years ago
If the charge 16 C flows through the lightening during time 0.002 s then the AVERAGE current is equal to *
yulyashka [42]

Answer:

the average current is 8000 A

Explanation:

here's the solution :-

=》

current =  \frac{charge}{time}

=》

current =  \frac{16}{0.002}

=》

current = 8000 \: ampere

7 0
3 years ago
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