Physics (AS & A Level) · May / June 2019 · Paper 23 · Question 3
9702
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A cylindrical disc of mass 0.24 kg has a circular cross-sectional area A, as shown in Fig. 3.1. cross-sectional area A disc, mass 0.24 kg ground disc force X 8.9 N 30° constant speed 0.60 m s–1 Fig. 3.1 Fig. 3.2 The disc is on horizontal ground, as shown in Fig. 3.2. A force X of magnitude 8.9 N acts on the disc in a direction of 30° to the horizontal. The disc moves at a constant speed of 0.60 m s−1 along the ground.
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3(a)[2]
3(b)[3]
3(c)(i)[1]
3(c)(ii)[1]
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