A-LevelPhysicsForces, density and pressureFeb/Mar 2017Paper 2 Q17 Marks
A floating sphere is attached by a cable to the bottom of a river, as shown in [Figure 1.2]. The sphere is in equilibrium, with the cable at an angle of 75° to the horizontal. Assume that the force on the sphere due to the water flow is in the horizontal direction. The radius of the sphere is 23 cm. The sphere is solid and is made from a material of density 82 kg m⁻³.
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