When you turn a key in a lock, which simple machine are... | Science Class 5

Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · CHRYSALIS HIGH, HORAMAVU

When you turn a key in a lock, which simple machine are you primarily using?

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A Lever
B Pulley
C Wheel and axle
D Wedge

3 answered 67% got it right