Quick questions on Work done, energy and mechanical power - SQA National 5 Engineering Science

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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A force of

80 \text{ N}

moves a box

3.0 \text{ m}

in the direction of the force. Calculate the work done. [2 marks]

What is q2?

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State the unit of power and what it is equivalent to. [1 mark]

What is q3?

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A machine does

9000 \text{ J}

of work in

45 \text{ s}

. Calculate its power. [2 marks]

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