MSSC REVIEW BASIC MECHANICAL ELEMENTS QUESTIONS WITH CORRECT ANSWERS

The mechanical advantage of this lever is 2:1. How much effort force (FE) would have
to be applied to balance the lever, if the load equaled 20 lbs?
- 5 lbs
- 10 lbs
- 20 lbs
- 2 lbs


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10 lbs




Basic mechanisms are levers, inclined planes, and __________.
- Pliers
- Wheelbarrows

, - Wheels
- Ramps


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Wheels




A playground teeter totter is considered what type of lever?- First-class lever-
Second-class lever- Third-class lever- Forth-class lever


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First-class lever




A wheelbarrow is considered what type of lever?
- First-class lever
- Second-class lever
- Third-class lever
- Forth-class lever


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Second-class lever




Rise, dwell, and return are parts of the __________.
- Rotary power calculation
- Third class lever
- Key that holds the cam
- Cam motion cycle