An object of mass m rests on a flat table - NSC Technical Sciences - Question 1 - 2020 - Paper 1
Question 1
An object of mass m rests on a flat table. The Earth pulls this object with force mg, which is known as the action force. Which ONE of the following statements gives... show full transcript
Worked Solution & Example Answer:An object of mass m rests on a flat table - NSC Technical Sciences - Question 1 - 2020 - Paper 1
Step 1
The table is pushing the object up with force mg.
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Answer
This statement is true and provides a description of the reaction force according to Newton's third law.
Step 2
The object is pushing the table down with force mg.
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Answer
This statement is a representation of the action force, not the reaction.
Step 3
The table is pushing the floor down with force mg.
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Answer
This statement does not reflect the correct interaction related to the reaction force of the object on the table.
Step 4
The object is pulling the Earth upward with force mg.
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Answer
This statement describes the gravitational interaction but does not pertain to the reaction force to the table.
