A) Gravity will have no effect on the pebble until it reaches its highest point.
B) The pebble will keep going upwards at the same speed until it reaches its highest point.
C) The pebble will keep going upwards until gravity ceases to act on it.
D) Gravity will act on the pebble both while it is going up and also while it is falling down.
Correct Answer: D
Solution :
Gravitational force (gravity), is a force that pulls everything towards the Earth. It will act on the pebble both while it is going up and also when it is falling down.
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