An iron block of side 50cm x 8cm x 15cm has to be
pushed along the floor. The force required will be
minimum when the surface in contact with ground is:
Answers
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0
Answer:
smooth which makes the friction negligible
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8cm×15cm surface
50cm×15cm surface
8cm×50cm surface
force is same for all surface
Answer :
D
Solution :
Force will be same for all the surfaces.
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