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1. Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.
a. Muscular force of arms acting .
b. Force of gravity acting .
2. A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.
a. Gravitational force of the earth acts .
b. Frictional force of air acts in .
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