Quick questions on Forces, energy and power: Newton's laws and work-energy - SQA Higher 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 Newton's second law as an equation. [1 mark]

What is q2?

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3.0\ \text{kg}

object rests on a slope at

30^{\circ}

. Calculate the component of its weight acting down the slope. Take

g = 9.8\ \text{N kg}^{-1}

What is q3?

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A motor lifts a

50\ \text{kg}

load a height of

4.0\ \text{m}

8.0\ \text{s}

. Calculate the power. Take

g = 9.8\ \text{N kg}^{-1}

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