Watch Hewitt-Drew-it! Equilibrium Rule #1 and complete #1 through #7 below.
1. The higher the pitch in a rope when twanged the greater the ________ in the rope.
2. _________ is the force within a stretched rope.
3. The ______________ rule states that the _______________ that act on a system will
balance to ____________ if that system doesn’t change its state of ____________.
4. Write in symbolic form the following statement: The vector sum of all forces equals
zero for a system in mechanical equilibrium.
5. What is the name of the Greek letter that is used to represent sum?
6. The forces involved with the following scaffold that is equilibrium are ___________
downward forces due to _________ and __________ upward forces provided by the
______________ in the ropes. According to the equilibrium rule, the sum of all these
forces must equal ______________.
7. The equilibrium rule is related to Newton’s __________ of _____________ which are
laws of ______________.