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Jeopardy review mfe ch 4
 

Jeopardy review mfe ch 4

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    Jeopardy review mfe ch 4 Jeopardy review mfe ch 4 Presentation Transcript

    • Chapter 4: Work it Power Rangers Go cry to MA It’s only machine wastelan d KISS 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5
    • KISS 4 • A _____________ is a lever that rotates.
    • KISS 3 • A seesaw is a _______ class lever that has an MA of _____
    • It’s Only Machine Wasteland 2 • A machine that requires 200 Joules of work and puts out 50 Joules of work is how efficient?
    • It’s Only Machine Wasteland 1 • According to the current laws of physics, cars in the future may have 100% efficiency.
    • Go Cry to MA 3 • If you apply 100 N of force to a machine and the machine exerts 400 N on the object, what is the MA of the machine?
    • Go Cry to MA 2 • What 3 things can machines do to make work easier?
    • Go Cry to MA 1 • A machine’s actual MA is always greater than its ideal MA. (T/F?)
    • Power Rangers 1 • Equation, Units and definition of Power
    • Kiss 5 • To increase an inclined plane’s actual MA, you______________
    • KISS 2 • A______________ is a cutting tool made from a moving inclined plane.
    • Power Rangers 2 • If you apply a force of 100 N for 5 m and spend 2 minutes doing it, you use ___ ___ of power.
    • KISS 1 • A______________is an inclined plane wrapped around a cylinder.
    • Work it 3 • Lifting a 2 kg object 3m up requires how many Joules of energy
    • Work it 4 • The thumbtacks holding up the posters up in this room are doing a very small amount of work T/F?
    • Wasteland 2 • A machine that requires 200 J of work and puts out 50 J of work is how efficient?
    • Power rangers 3 • Doing a certain amount of work in less time means you use less power T/F?
    • 1 pt: Work it • Equation, Definition and Units for Work
    • 2 pts: work it • If you push a 3,000 N piano sideways a distance of 2 m, how much work was done?
    • Wasteland 3 • Describe one way to make a pulley system more efficient.
    • Go cry to MA 4 • A machine with a mechanical advantage between what two numbers will multiply distance?