Physics, asked by aryan9c23, 9 months ago

why key made up of metal goes into? why key made up of plastic do not work?? give reason for your answer!!!

Answers

Answered by sarkarnandita954

2

Answer:

because key should be harded othersways we can't open lock. Plastic is not hard

Answered by alkabaghotia

0

Answer:

metel is harder than plastic

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