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Forces and Dynamics
Quick questions on Friction and resultant force explained: O-Level Physics
4short 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 adding forces in a line?Show answer
When forces act along the same line, find the resultant by adding those in one direction and subtracting those in the opposite direction.
What is q1?Show answer
Two forces of and act on a box in opposite directions. Find the resultant force. [2 marks]
What is q2?Show answer
State what happens to an object when the resultant force on it is zero. [2 marks]
What is q3?Show answer
Give one example where friction is useful and one where it is unwanted. [2 marks]
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