JEE Main Physics 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
Answer: (A)
Solution
At constant velocity, P = Fv ⟹ F = P/v = 7500/20 = 375 N.
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
At constant velocity, P = Fv ⟹ F = P/v = 7500/20 = 375 N.