Practice Composition And Resolution Of Velocity (3) - Composition and Resolution of Velocity

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6 sample questions

Question 1.
What is composition of velocity in basic terms?
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Think of it as summing forces acting in different directions.
Question 2.
Define resolution of velocity.
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Which two directions are commonly used in problems?
3Question 3.
What method do we use to find the resultant velocity when two velocities are perpendicular?
- Vector addition
- Algebraic sum
- Pythagorean theorem
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Think about right-angled triangles!
4Question 4.
True or False: The resolution of velocity is only applicable for horizontal motion.
- True
- False
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Consider the implications of inclined and vertical motion.
Question 5.
A ship travels 40 km/h north and 30 km/h east. What is the resultant velocity and angle from the north?
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Use Pythagorean theorem for magnitude and arctangent for direction.
Question 6.
An athlete runs 100 m at 45° to the horizontal. What are the horizontal and vertical components of her run?
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Think about the 45° angle and the characteristics of a 45° triangle.

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