(c)
Fig. 1.1 shows a smooth trolley runaway.
-trolley
E
Fig. 1.1
The trolley is released at point X and runs down the slope, moves in a
circular path and travels towards Z. The radius of the circular path is
0.25 cm.
(i)
(ii)
(iii)
Outline the energy changes as the trolley moves from X to Z.
List all the forces acting on the trolley at point Q.
If the velocity of the trolley at point Y in the circular path is 1.6 m/s.
calculate the vertical height, h.
[6]
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