friction.
a force
Greater force
No.
A solid object is something you can touch and feel. If you can not touch or feel something it is not solid.
Yes. Gravity can be considered a noncontact force. There is no requirement of the force to touch the object which the force exerts itself on.
a force
You don't. If he needs something, either he or the Commanding Officer will be in touch.
the lines of force are not real. these lines of force are imaginary lines. so we can not touch it.
Greater force
Because it's screwed up and needs to be replaced. Recommend calling an electrician.
Economic needs are needs that touch on consumer's time and money.
No.
A contact force, such as friction. If a car wheel wasn't on the ground there couldn't be friction. A non-contact force could be magnets, the two magnets don't need to touch to repel or attract :)
ipod touch
no it cant
No
no