Which groups of simple machines are grouped under special kinds of inclined planes?Question 10Answera.Screws and axlesb.Wedge and screwsc.Wedge and pulleysd.Pulleys and wheels
Question
Which groups of simple machines are grouped under special kinds of inclined planes?Question 10Answera.Screws and axlesb.Wedge and screwsc.Wedge and pulleysd.Pulleys and wheels
Solution
The correct answer is b. Wedges and screws.
Both wedges and screws are considered special kinds of inclined planes.
A wedge is essentially two inclined planes back to back and can be used to split, lift, or tighten.
A screw can be thought of as an inclined plane wrapped around a cylinder. It converts rotational motion to linear motion, and a force applied over a longer distance to a force applied over a shorter distance.
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