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

Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

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

4 answered 50% got it right