ROTATIONAL MOTION

Which of the following expressions is equivalent to a × (b + c)?

• a × b − a × c
• a × b × c
• a × b + a × c
• (a + b) × c

What is the component form of the cross product based on?

• Dot product rules
• Elementary cross products
• Scalar multiplication
• Vector addition

How does the vector product behave under reflection?

• It becomes zero
• It reverses direction
• It doubles in magnitude
• It does not change sign

What is the result of b × a if a × b = c?

• c
• 2c
• 0
• −c

Which of the following is true about the cross product of two parallel vectors?

• It is twice the magnitude
• It is a unit vector
• It is a null vector
• It is equal to their sum