Question
Figure $\mathrm{P} 5.49 \quad$ shows the velocity graph of a $2.0 \mathrm{kg}$ object as it moves along the $x$ -axis. What is the net force acting on this object at $t=1$ s? At 4 s? $A t 7 s ?$
Step 1
We can do this by finding the slope of the velocity graph at each time. At t = 1 s, the slope of the graph is positive and constant. Let's call this slope a1. At t = 4 s, the slope of the graph is zero, which means the acceleration is zero. At t = 7 s, the Show more…
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Figure P5.51 shows the velocity graph of a $2.0 \mathrm{kg}$ object as it moves along the $x$ -axis. What is the net force acting on this object at $t=1$ s? $\mathrm{At} 4 \mathrm{s} ?$ At $7 \mathrm{s} ?$
13) The graph shows the velocity graph of a 2.0 kg object as it moves along the x-axis. What is the net force acting on this object at: a. t = 1 s? b. t = 4 s? c. t = 7 s?
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