Question: An engine of power 7500 W makes a train move on a horizontal surface with constant velocity of 20 ms−1 . The force involved in the problem is
(A) 375 N
(B) 400 N
(C) 500 N
(D) 600 N
Answer: Option (A)
Solution:
An engine of power 7500 W makes a train move on a horizontal surface with constant velocity of 20 ms−1 . The force involved in the problem is
with
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