1) What 3 absolutes does every lever have.... a) raise, pivot , load b) effort, pivot, load c) raise, lift, load 2) What 3 types of levers are there? a) 1st, 2nd, and 3rd class b) lower, middle, and upper c) lift, lock, load 3) Which is an example of a lever? a) wheelbarrow b) screwdriver c) bin 4) In a belt driven pulley, how many wheels are there typically? a) 1 b) 2 c) 3 5) When the drive wheel turns it causes the driven wheel to turn.... a) in the opposite direction b) around and around c) in the same direction 6) If the drive wheel is smaller than the driven wheel then the driven wheel will turn.... a) more slowly b) faster c) the same speed 7) If a belt on a belt driven pulley is too tight or not tight enough it will cause... a) problems b) work to get done too fast c) rain 8) Which is an example of a pulley system a) drive thru line b) flagpole c) pen 9) Will wheel and axles always rotate at the same speed? a) yes b) no 10) Name a common example of an inclined plane. a) curtain b) elevator c) stairs

LEGO MINI PROJECT QUIZ

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