In the formula F ⃗=qv ⃗×B ⃗ :
A) F ⃗ must be perpendicular to v ⃗ but not necessarily to B ⃗
B) F ⃗ must be perpendicular to B ⃗ but not necessarily to v ⃗
C) v ⃗ must be perpendicular to B ⃗ but not necessarily to F ⃗
D)all three vectors must be mutually perpendicular
E) F ⃗ must be perpendicular to both v ⃗ and B ⃗

Question

In the formula F ⃗=qv ⃗×B ⃗ :
A) F ⃗ must be perpendicular to v ⃗  but not necessarily to B ⃗
B) F ⃗ must be perpendicular to B ⃗ but not necessarily to v ⃗
C) v ⃗ must be perpendicular to B ⃗ but not necessarily to F ⃗
D)all three vectors must be mutually perpendicular
E) F ⃗ must be perpendicular to both v ⃗ and B ⃗

Quizplus · Accepted Answer

The force vector F ⃗ resulting from the cross product of v ⃗ and B ⃗ is perpendicular to both v ⃗ and B ⃗.

In the Formula F ⃗=Qv ⃗×B ⃗