A Engine $E$ is hinged on a Wooden block which is placed on a perfectly smooth surface:
Now the block is given an initial velocity $V$ (by some external agent) and the Engine is started.
The Engine has some sort of fuel and is capable of producing constant $10\ \mathrm W$ power.
The Engine applies some force on the Block (as a result of the generated power). We know , Power = Force x Velocity.
Again, the velocity of the block, engine $V$ system can't alter (because of absence of external forces).
So, can we say the force applied by the Engine $E$ on the block depends on the initial velocity $V$ of the block?