a) Describe how the velocity of the cyclist changes as he travels along the road. b) With reference to the forces shown on diagram 3b, explain why the velocity changes in the way you have described in (a). In your answer, assume the cyclist pedals at a steady rate throughout, meaning that the driving force remains constant.
a) Describe how the velocity of the cyclist changes as he travels along the road. b) With reference to the forces shown on diagram 3b, explain why the velocity changes in the way you have described in (a). In your answer, assume the cyclist pedals at a steady rate throughout, meaning that the driving force remains constant.
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
Transcribed Image Text:2. A cyclist accelerates from rest along a horizontal straight road.
As he travels, his velocity varies with time as shown in figure 3a.
velocity
Figure 3a
Figure 3b shows the direction (not necessarily the magnitude) of the forces acting on
the cyclist once he has started to move.
The single arrow
drawn acting on the
front of the cyclist
represents all the
resistive forces acting
against the motion
resistive
forces
time
Figure 3b
driving force
a) Describe how the velocity of the cyclist changes as he travels along the road.
b) With reference to the forces shown on diagram 3b, explain why the velocity
changes in the way you have described in (a). In your answer, assume the cyclist
pedals at a steady rate throughout, meaning that the driving force remains
constant.
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