brookesillygoose brookesillygoose

01-02-2017
Physics

contestada

How much force is needed to accelerate a 68 kilogram-skier at a rate of 1.2 m/sec^2?

Respuesta :

amyseal amyseal

01-02-2017

The sum of forces = mass x acceleration

Ignoring all resisting forces like friction and air resistance, the only force is gonna be the one pushing the skier

So,
Force = mass x acceleration

Now, we substitute the values given

Force = 68 x 1.2

And therefore, Force = 81.6 N

Don't hesitate to ask further questions!
Hope I helped! xx

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