6. This is a jackscrew. It is used in
cars, especially when changing used-up
or flattened tires. What characteristic
makes it work?
A It can hold things together.
B) It can support parts of furniture or
pieces of metal.
C. It can lift one part of a material/
machine.
D. It can separate parts of an object/
machine
cars, especially when changing used-up
or flattened tires. What characteristic
makes it work?
A It can hold things together.
B) It can support parts of furniture or
pieces of metal.
C. It can lift one part of a material/
machine.
D. It can separate parts of an object/
machine
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Answer:
C
Explanation:
jackscrew is commonly used to lift moderately heavy weights, such as vehicle