7. A_______is a combination of two ormore inclined planes.
8. A________is used to lift a bucket fullof water from a well.
9. A screw jack works on the principle of _______
Answers
Answered by
2
Answer:
a wedge
b pully
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Answered by
1
Answer:
a) simple machine
b) pully
c) inclined plane
Explanation:
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