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Alex is taking the high-speed elevator, which travels at a constant speed of 5 m/s to the 43rdfloorbuilding. Sam is stuck making the same trip in the freight elevator which only travels at a constant speed of 1.5 m/s. Compare the net forces of both.

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onyebuchinnaji

The net force of Alex is greater than net force of Sam.

The given parameters:

  • Alex speed, = 5 m/s
  • Sam speed. = 1.5 m/s

What is Newton's second law of motion?

  • Newton's second law of motion states that the force applied to an object is directly proportional to the product of the mass and acceleration of the object.

F = ma

The net force on each person is calculated as follows;

F = ma + mg

F = m(a + g)

Where;

a is acceleration

Acceleration is directly proportional to velocity

Thus, the person with greater speed will have greater net force.

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