Further Mathematics 2015 Waec Past Questions and Answers

Question 1 :

• WAEC 2015

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 dp, the angle that the resultant makes with the horizontal.

A. 80.76°
B. 75.00°
C. 71.99°
D. 15.00°

Question 2 :

• WAEC 2015

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 d.p , the resultant force acting at O.

A. 14.06N
B. 13.00N
C. 9.83N
D. 8.26N

Question 3 :

• WAEC 2015

Forces \(F_{1} = (8N, 030°)\) and \(F_{2} = (10N, 150°)\) act on a particle. Find the horizontal component of the resultant force.

A. 1.7N
B. 4.5N
C. 9.0N
D. 13.0N

Question 4 :

• WAEC 2015

The sum, \(S_{n}\), of a sequence is given by \(S_{n} = 2n^{2} - 5\). Find the 6th term.

A. 112
B. 67
C. 45
D. 22

Question 5 :

• WAEC 2015

A 24N force acts on a body such that it changes its velocity from 5m/s to 9m/s in 2 secs.If the body is travelling in a straight line, calculate the distance covered in the period.

A. 22m
B. 18m
C. 14m
D. 10m