Physics
WAEC 1997
Two blocks of the same dimension, one steel and the other wooden are dropped simultaneously from the same height. If they fall freely neglecting air resistance the?
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A.
Two blocks hit the ground simultaneously because they have the same acceleration
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B.
Two blocks reach the ground at the same time because their dimensions are the same
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C.
Wooden block being lighter than the steel block reaches the ground first
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D.
Steel block reaches the ground first because it is denser than the wooden block
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E.
Steel block takes half as much time as the wooden block to reach the ground because it is more massive than the wooden block
Correct Answer: Option A
Explanation
An object falling without air resistance or friction is defined to be in free-fall.
The acceleration of free-falling objects is therefore called the acceleration due to gravity.
It is because the acceleration due to gravity is constant for all objects regardless of the mass, neglecting air resistance.
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