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Torque/Cross Product Worksheet
1. What direction does the torque point?
2.
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F  5N , S  10m , and =60°. Find the magnitude of the torque (cross product)
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SF .
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3. What is the cross product of C  D if C  3iˆ  2 ˆj and D  iˆ  4 ˆj ? Find the cross
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product of D  C .
a. Does the order matter?
b. What is the angle between C and D?
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4. Use the cross product to find the angle between A  2iˆ and B  3iˆ  3 ˆj . Does this
angle make sense? Compare your answer to when you calculated the dot product in the
chapter on work and energy.