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Level 1 - Physics
Topic practice
A 4.0 kg block on a 30 degree incline with kinetic friction is connected over a pulley to a hanging 3.0 kg mass. Decide which way the system moves, then find the acceleration and tension.
Method
Compare the hanging weight with the downslope component plus kinetic friction on the incline block. The hanging mass wins by 4.71 N, so it moves downward. The system acceleration is 0.673 m s^-2, and the string tension is 27.4 N.
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Practise by topic
Move into topic-linked questions to test whether the method works without notes and reveal where fluency is still weak.
Test with papers
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Build from the topic, practise the method, then test the paper.
Start with the course structure, move into topic-linked questions, and use papers when the underlying methods are ready for exam conditions.