On his way to class, a student on a skateboard is accelerating on a downhill stretch....

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Physics

On his way to class, a student on a skateboard is acceleratingon a downhill stretch. Which of the following are true.
I know the answer is
a) the skateboarder is moving in the direction of the netforce
b) the skateboarder is subjected to a net external force in thedirection of motion
c) the skateboarders acceleration is in the direction of the netforce
I am struggling to understand why all three of these answers arecorrect. Could you possibly explain to me why each of these iscorrect. I know it is in correlation with Newtons first law but ineed further explanation to help understand it because it is notclicking in my head.
Thank you for your time!!

Answer & Explanation Solved by verified expert

4.4 Ratings (1081 Votes)

Newtons first law of motion predicts the behavior of objects for which all existing forces are balanced The first law sometimes referred to as the law of inertia states that if the forces acting upon an object are balanced then the acceleration of that object will be 0 Objects at equilibrium See Answer

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