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2 cards from this section. Quick, good the night before a test.
What is a vector?
Think of quantities like force or velocity.
Identify the components Ax and Ay from vector A.
Use the angle with the x-axis to identify components.
What does the term 'resolution of vectors' mean?
Consider how we can express a single vector in terms of multiple directions.
True or False: A unit vector has a magnitude of zero.
Remember the definition of unit vectors.
Resolve the vector A = 25 units at 60 degrees into its components. Find Ax and Ay, then calculate the magnitude of the vector.
Use trigonometric functions to find components.
A vector B is at an angle of 120 degrees with a magnitude of 30. Resolve into components Bx and By, then find the total vector magnitude when combined with another vector C = 15 at 30 degrees.
Remember to take direction into account while resolving and summing.
6 more questions in this section. Enroll free to practise them all.
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