The resultant of two forces and is

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

The resultant of two forces

3p

and

2p

r

. If the first force is doubled, the resultant is also doubled. The angle between the two forces is: (1)

60^\circ

(2)

120^\circ

(3)

30^\circ

(4)

135^\circ