ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 455

Question 2271

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What is the direction of angular momentum defined by?

Left-hand rule
Clockwise rule
Right-hand rule
Magnitude rule

Question 2272

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Which of the following represents the distributive law for cross product?

a × (b + c) = a × b − a × c
a × (b + c) = a·b + a·c
a × (b + c) = a × b + a × c
a × (b + c) = (a + c) × b

Question 2273

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What is the cross product of k and j?

i
−i
j
0

Question 2274

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If a and b are non-zero and a × b = 0, then the angle between them is

90°
45°
0° or 180°
30°

Question 2275

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Which of the following is true for a × b?

It lies in the plane of a and b
It is parallel to a
It is parallel to b
It is perpendicular to both a and b