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Frictional Force

Name these fo...

Question

Name these forces :

(a) the upward push of water on a submerged object
(b) the force which wears away two surfaces as they move over one another
(c) the force which pulled the apple off Isaac Newton's tree.
(d) the force which stops you falling through the floor.

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Solution

a) Buoyant force.
b) Force of friction.
c) Gravitational force.
d) Reaction force.

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