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Question
Why is it hard to move a filled box than an empty box? [2 MARKS]
Why is it hard to move a filled box than an empty box? [2 MARKS]
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Solution
Proper reasoning : 2 Marks
Friction is caused by the interlocking of irregularities in the two surfaces. It is obvious that the force of friction will increase if the two surfaces are pressed harder. So the heavier box is pressed harder than the empty box so it experiences greater friction.
Proper reasoning : 2 Marks
Friction is caused by the interlocking of irregularities in the two surfaces. It is obvious that the force of friction will increase if the two surfaces are pressed harder. So the heavier box is pressed harder than the empty box so it experiences greater friction.
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