BMST Vectors and Resultant Forces

Question 1

Two forces act on an object: 30 N to the east and 40 N to the north. What is the magnitude of the resultant force?

Accepted Answer

50 N

Answer

70 N

Answer

35 N

Answer

10 N

Question 2

A vector quantity differs from a scalar quantity in that a vector has:

Accepted Answer

Both magnitude and direction

Answer

Only magnitude

Answer

Only direction

Answer

Neither magnitude nor direction

Question 3

A force of 100 N is applied at a 30° angle to the horizontal. What is the horizontal component of this force?

Accepted Answer

86.6 N

Answer

50 N

Answer

100 N

Answer

57.7 N

Question 4

If two vectors point in exactly opposite directions and have equal magnitudes, what is the magnitude of their resultant?

Accepted Answer

0

Answer

Equal to one of the magnitudes

Answer

Double one magnitude

Answer

Cannot be determined

Question 5

Which of the following is an example of a vector quantity?

Accepted Answer

Velocity

Answer

Temperature

Answer

Mass

Answer

Speed

Question 6

A vertical force of 60 N and a horizontal force of 80 N act on the same point. What is the angle the resultant makes with the horizontal?

Accepted Answer

36.9°

Answer

53.1°

Answer

45°

Answer

30°