T Tryingtodowell Active Member Joined Jan 18, 2024 Messages 325 Gender Female HSC 2025 May 27, 2024 #1 helpp
liamkk112 Well-Known Member Joined Mar 26, 2022 Messages 1,078 Gender Female HSC 2023 May 27, 2024 #2 Tryingtodowell said: View attachment 43274 helpp Click to expand... ball is stationary, hence the sum of forces has to be 0 draw a free body diagram, you should include the forces of tension, gravity and F now, sum of forces vertically gives Tcos35 = mg so T = mg/cos35 sum of forces horizontally gives Tsin35= F so F = mgsin35/cos35 which is closest to B (g = 9.8, m = 20)
Tryingtodowell said: View attachment 43274 helpp Click to expand... ball is stationary, hence the sum of forces has to be 0 draw a free body diagram, you should include the forces of tension, gravity and F now, sum of forces vertically gives Tcos35 = mg so T = mg/cos35 sum of forces horizontally gives Tsin35= F so F = mgsin35/cos35 which is closest to B (g = 9.8, m = 20)
wizzkids Well-Known Member Joined Jul 13, 2016 Messages 390 Gender Undisclosed HSC 1998 May 28, 2024 #3 The free-body diagram has three vectors as shown below.