Chapter 9: Q4. (page 646)
The work done by a force F in moving an object along a vector D is W = ______________.
The work done by a force F in moving an object along a vector D is i.e
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Sketching Vectors Sketch representations of the given vector with initial points atand.
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Express the vector with initial point Pand terminal point Qin component form.
a) A vector in the plane is a line segment with an assigned direction. In figure below, the vector u has initial point __________ and terminal point _________. Sketch the vectors 2u and u + v.
b) A vector in a coordinate plane is expressed by using components. In figure below, the vector u has initial point ( , ) and terminal point ( , ). In component form we write u = and v = . Then 2u = and u + v = .
Sketching Vectors Sketch the given vector with initial point (4,3), and find the terminal point.
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Dot Products
Find the indicated quantity, assuming that
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