Quiz 4.3 Flashcards
0
Q
Interaction pair
A
Pair of forces that is opposite in direction, acts on diff. Objects , but equal in strength.
1
Q
Newton’s third law
A
All forces come in pairs, act on diff. Objects. Opposite in direction, equal in strength.
2
Q
Equation for interaction pair
A
Fa on B= -Fb on A
3
Q
Tension
A
Specific name for a force exerted by a rope or string
4
Q
Normal force
A
Perpendicular contact force exerted by a surface on an object. Opposite direction from system.
5
Q
At any point on a rope the tension forces are
A
Pulling equally in both directions
6
Q
Two forces
A
Exist together or not at all. Do not cause eachother. Both result from contact between two.