In this worksheet, we will practice finding the cross product of two vectors in space.

**Q4: **

Given that and , determine .

- A
- B
- C
- D

**Q5: **

If and , determine .

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- D

**Q6: **

If the force is acting at the point , where its moment vector about the point is , determine the value of .

**Q7: **

Given that the forces , , and are three parallel forces, find the values of and .

- A ,
- B ,
- C ,
- D ,

**Q8: **

and are two vectors, where and . Calculate .

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- B
- C
- D
- E

**Q9: **

and are two vectors, where and . Calculate .

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- D
- E

**Q10: **

and are two vectors, where and . Calculate .

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- D
- E

**Q11: **

If , , and , find .

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- D

**Q12: **

Find the unit vectors that are perpendicular to both and .

- A or
- B or
- C or
- D or

**Q13: **

and are two vectors, where and . Calculate .

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- B
- C
- D
- E

**Q14: **

Given that , and , determine the unit vector perpendicular to the plane of the two vectors and .

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- B
- C
- D

**Q15: **

Let and . Calculate .

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- D
- E