Everyday Science MCQs

Correct answer D. All of A, B and C are correct

Correct answer A. 45°

Correct answer C. Their dot product

Correct answer D. Both B and C are correct

Correct answer C. Both A and B are correct

Correct answer A. Down

Correct answer A. Right-hand rule

Correct answer D. 1

Correct answer C. A · B = Â B̂

Correct answer A. A.B/A

Correct answer B. Both 1st and 3rd

Correct answer B. Cannot produce torque

Correct answer D. A · B = AxBx + AyBy + AzBz

Correct answer C. 1

Correct answer C. Both 1st and 3rd

Correct answer C. When they are rotated through 270°

Correct answer C. (2î − 2ĵ + k̂)/3

Correct answer B. k̂

Correct answer A. A couple acts on the wheel

Correct answer B. Mass and moment of inertia