A few days ago
shiny

i have to make a physics working model and i am in grade 8….it is a group project so it should a tough one.?

like a burglar alarm….could you please give me an idea of what to do…and how to make it?

Top 1 Answers
A few days ago
Saurabh G

Favorite Answer

a simple one is this

attach a wire to an istrument which is made up of a neck,

a nail pivotin’around the neck and a bell in a such a manner that when the thread is touched the nail(tied along with the string) hits the bell and makes a sound

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