Use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.
A particle P P\,P of mass 10 kg is held in equilibrium by two light inextensible strings, A A\,A and BBB, attached to two fixed points.
String A A\,A makes an angle of 50° 50°\,50° with the horizontal and string B B\,B makes an angle of 35° 35°\,35° with the horizontal, on the opposite side of the vertical through PPP, as shown in the diagram.
Find the tension in string AAA.
Find the tension in string BBB.
106 exam-style questions on WJEC A Level Maths 4.9 Forces and Newton's laws (A-level only), covering 4.9.1 Forces and Newton's laws (A-level only), 4.9.2 Forces and Newton's laws (A-level only), 4.9.3 Forces and Newton's laws (A-level only), 4.9.4 Forces and Newton's laws (A-level only), and 4.9.5 Forces and Newton's laws (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.