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4. Ben rides a skateboard. He is moving at 36 m/s2 and has a mass of 6200 Dg. What is his force on the skateboard? (Hint: might need to do a conversion)
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4. Ben rides a skateboard. He is moving at 36 m/s2 and has a mass of 6200 Dg. What is his force on the skateboard? (Hint: might need to do a conversion)

User Sergey Sergeyev
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1 Answer

3 votes

Let's use Newton's second law:


\begin{gathered} F=ma \\ where\colon \\ m=mass=6200Dg*(10g)/(1Dg)*\frac{1\operatorname{kg}}{1000g}=62\operatorname{kg} \\ a=acceleration=(36m)/(s^2) \\ F=62\operatorname{kg}\cdot(36m)/(s^2)=2232N \end{gathered}

User Zkwentz
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