300 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
a) Define frictional force and state the two types of friction.
b) How can frictional force be reduced?
c) List 5 advantages of friction.
d) A mass of 20 kg is resting on a rough horizontal plane and is just moved by a force of 100 N acting horizontally. Find the coefficient of static friction.
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