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3 Forces and motion
Quick questions on Forces in action: moments, couples, equilibrium and terminal velocity - OCR A-Level Physics A
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?Show answer
State the two conditions for a body to be in equilibrium. [2 marks]
What is q2?Show answer
A force of acts at the end of a spanner, perpendicular to it. Find the moment about the bolt. [2 marks]
What is q3?Show answer
Explain why a skydiver reaches a constant velocity during free fall. [2 marks]
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