Quick questions on Basic physics: SI units, scalars and vectors, and uncertainty - Eduqas A-Level Physics

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 q1?

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State the SI base units of the joule. [2 marks]

What is q2?

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A force of

12\ \text{N}

acts at

30^\circ

above the horizontal. Find its horizontal and vertical components. [2 marks]

What is q3?

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A length is measured as

(5.0 \pm 0.1)\ \text{cm}

. State its percentage uncertainty. [1 mark]

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