3 years ago

Mixing substances can result in a mixture, a solution, or a chemical reaction. In the table below:

Physics

1 answer:

pickupchik [31]3 years ago

3 0

Answer:

USE SOCRACTIC IT WOULD REALLY HELP

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tresset_1 [31]

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4 years ago

As you sit in a chair, in what direction (or directions) do you exert an action force?

enyata [817]

As we sit in a chair, Action force will be only in one direction and that direction would be downward only.

In short, Your Answer would be Option A

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4 years ago

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An elevator has a mass of 1000 Kg. What force is needed to accelerate it upward at a rate of 2 m/s/s?

zubka84 [21]

The force needed to accelerate an elevator upward at a rate of $2 m / s^{2}$ is 2000 N or 2 kN.

<u>Explanation: </u>

As per Newton's second law of motion, an object's acceleration is directly proportional to the external unbalanced force acting on it and inversely proportional to the mass of the object.

As the object given here is an elevator with mass 1000 kg and the acceleration is given as $2 m / s^{2}$ , the force needed to accelerate it can be obtained by taking the product of mass and acceleration.

$\text {Force}=\text {Mass} \times \text {Acceleration}$