For a start, it is not possible to propel it indefinitely. Where should the energy come from?
On the other hand, there is a speed limit in the Universe, called the "speed of light". An object can approach the speed of light, but never quite reach it, much lass pass that speed.
ammonia....'_'
The Condition of Equilibrium, Force equal zero, is the condition of an object at rest or moving at constant velocity. Non-Equilibrium Condition, Force is not zero, is the condition for an object to move with increasing velocity.
Impossible. Any moving object would become infinitely faster, and gravity would be infinitely stronger. Friction keeps the tectonic plates from moving any faster. This would be impossible to imagine, even for the most scientific minds.
Nothing gives an object inertia. Inertia is not a force. It is just the tendency of an object to continue in its motion if there is no force acting upon it.
Nothing will happen to the object's motion, it will continue along its path.
a projectile?
A geometrical object that is straight, infinitely long and infinitely thin.
A projectile.
Velocity increases but not infinitely.
mass
It's true that gravity is comparatively weak. But it makes up for its weakness by extending its influence out infinitely far. The gravity weakens the farther you get from an object, but theoretically, you can continue to calculate the gravitational force no matter how far you are from the object you are considering.
The momentum (given by the property of inertia) makes whatever was propelled by the rocket continue at the same velocity as before, until another force (like running into a planet) affects that object.
A line.
Statement is FALSE A++sucks:P
Increasing the speed of an object will increase its momentum as well (momentum=mass*velocity).
None.
Yes. If no force acts on an object, it will continue moving indefinitely.