Q61 · Practice questionComplex familiar4 marks
QUESTION 61 (4 marks)
A crate is pulled up a frictionless incline by a rope parallel to the slope with tension . Determine the acceleration of the crate.
WORKED SOLUTION
4 marksPractice marking scheme
ANSWER
up the slope.
Worked solution
The component of weight down the slope is
Taking up the slope as positive,
Then
Resolves weight parallel to slope.
Forms correct net-force expression.
Applies Newton’s second law.
States correct magnitude and direction.
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