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A pair of toy cart wheels is rolled obliquely from a
Chapter 30, Problem 68TAE(choose chapter or problem)
A pair of toy cart wheels is rolled obliquely from a smooth surface onto two plots of grass, a rectangular plot and a triangular plot, as shown. The ground is on a slight incline so that, after slowing down in the grass, the wheels will speed up again when emerging on the smooth surface. Finish each sketch by showing some positions of the wheels inside the plots and on the other sides, thereby indicating the direction of travel.
Questions & Answers
QUESTION:
A pair of toy cart wheels is rolled obliquely from a smooth surface onto two plots of grass, a rectangular plot and a triangular plot, as shown. The ground is on a slight incline so that, after slowing down in the grass, the wheels will speed up again when emerging on the smooth surface. Finish each sketch by showing some positions of the wheels inside the plots and on the other sides, thereby indicating the direction of travel.
ANSWER:
Step 1 of 2
In both the cases, as the cart moves in the grass plot, it slows down and the angle with the normal will decrease and then increase as it emerges from the grass surface to the smooth surface.