An old truck compresses a spring scale at the junkyard by 25 cm. The spring constant for the industrial scale at the junkyard is 39,200 N/m.

What is the force applied to the scale by the car?

_____N

Respuesta :

using F = Ke
F = 39200×(25÷100) = 39200×0.25
F= 9800N

Answer:

Force, F = 9800 N

Explanation:

It is given that,

The spring constant for the industrial scale at the junkyard is, k = 39,200 N/m

The compression in the spring, x = 25 cm = 0.25 m

To find,

The force applied to the scale by the car.

Solution,

The Hooke's law gives the relation between the force and the compression in the spring. Its expression is given by :

[tex]F=-kx[/tex]

[tex]F=39200\times 0.25[/tex]

F = 9800 N

So, the force applied to the scale by the car is 9800 N.

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