Question 12
Question 12 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
4. Forces, density and pr...
4.1. Turning effects of forces

understand that a couple is a pair of forces that acts to produce rotation only

3. Dynamics
3.1. Momentum and Newton’s laws of...

recall F = ma and solve problems using it, understanding that acceleration and resultant force are always in the same direction

20. Magnetic fields
20.2. Force on a current-carrying c...

understand that a force might act on a current-carrying conductor placed in a magnetic field