5.2- physics

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1.
10 points
The net force on an _________ is the vector sum of all forces acting on it.
2.
10 points
Zero acceleration means neither the _______ nor the direction of motion can charge.
3.
10 points
Any object at rest is in _________ and has a net force of zero acting on it.
4.
10 points
Newton's third law explains why ________ forces exist.
5.
10 points
On a graph you add __________ by drawing them end-to-end on a single sheet.
6.
10 points
The total of all vectors is called the _______.
7.
10 points
The resultant starts at the _______ and ends at the end of the last vector in the chain.
8.
10 points
Adding vectors in x-y ________ is much easier.
9.
10 points
Newton's third law explains why a spring's ______ acts opposite the direction it is stretched.
10.
1 point
The relationship between a spring's change in length and the force it exerts is called _______ law.