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Answered

1.Which of the following is an example of a second-class lever?


wheelbarrow

broom

crowbar

shovel


2.Which of the following is an example of a first-class lever?


rake

nut cracker

seesaw

elbow joint

Verified Answer :

hharbour
  1. wheelbarrow 2.seesaw

Answer : (1) wheelbarrow  (2) seesaw

Explanation :

(1) In second- class lever, the fulcrum is at one of the end or we can say the load is in between the effort and the fulcrum. The example of second- class lever is wheelbarrow.

(2) In first- class lever, the fulcrum is in between the applied force or the effort and the load. The example of first class lever is seesaw.

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