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Forces and Motion
Quick questions on Simple machines and levers: N(T) Science Forces and Motion
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the three parts of a lever?Show answer
A lever is a stiff bar that turns about a fixed point. Every lever has three parts:
What is balancing a lever?Show answer
A lever balances when the turning effect on one side equals the turning effect on the other side. On a seesaw, a heavy person near the pivot can balance a light person far from the pivot, because the light person's longer distance makes up for their smaller weight. This is the everyday idea behind the moment.
What are other simple machines?Show answer
Other simple machines work in similar ways:
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