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1. |
A 10 kg Aluminium block is dragged on a plain horizontal surface at a constant velocity of 2 m/s. A frictional force of 60 N acts on it. What is the net force acting on the block? |
A. | 60 N |
B. | 100 N |
C. | 160 N |
D. | 0 N |
Answer» E. | |