I shot an arrow into the air; if not for friction, it would have formed this plane curve, from the Greek for "to compare"
[DOC] [TLE] Answers to Conceptual Integrated Science End-of-Chapter Questions [PAR] because if there were no friction, the blocks of rock could move along one ... 
Galileo would say the ball is encountering friction, an unbalanced force that ... At 
the moment an object tossed upward into the air reaches its highest point, is it in 
...... Tangential velocity is velocity that is parallel to (tangent) the curve at every 
point.