Multiple Choice
A block of mass 4.0 kg rests on a horizontal surface where the coefficient of kinetic friction between the two is 0.20.A string attached to the block is pulled horizontally,resulting in a 3.0-m/s2 acceleration by the block.Find the tension in the string.(g = 9.80 m/s2)
A) 12 N
B) 7.8 N
C) 20 N
D) 4.2 N
Correct Answer:
Verified
Correct Answer:
Verified
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