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Veronika [31]
3 years ago
14

According to Newton’s first law of motion what will an object in motion do when no external force acts on it ?

Physics
1 answer:
Alika [10]3 years ago
6 0

it will remain with a uniform rectilinear motion

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A truck of mass 200kg rests on an inclined plane hindered from rolling down the surface by a storing sprint whose force constant
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Answer:

1.92 J

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 200 Kg

Spring constant (K) = 10⁶ N/m

Workdone =?

Next, we shall determine the force exerted on the spring. This can be obtained as follow:

Mass (m) = 200 Kg

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Force (F) =?

F = m × g

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F = 1960 N

Next we shall determine the extent to which the spring stretches. This can be obtained as follow:

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e = 1960 / 10⁶

e = 0.00196 m

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E = ½Ke²

E = ½ × 10⁶ × (0.00196)²

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