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a contact force includes friction and air resistance
Examples of non-air resistance would be the force of gravity, the force of friction between two solid surfaces, and electromagnetic forces between charged particles.
True
True.
True
True.
a contact force includes friction and air resistance
Combatant command
We are actually finding this gravitational force during the every moment in the life time. If we had no gravitational force, we must have been flying in the air. The 2 examples are:-When we throw a ball in the air air, it returns to the ground.When we shoot a ball in the net, falls down again.
True.
Unfortunately, you'll need to go into your nearest Air Force Recruitment Office and talk to them there. For your first meeting they'll talk to you about the air force and what you can expect from it.