Questions and Answers - Angle

? A block of mass'in is placed on an inclined Pla. ne and angle with horizontal. Find the accelera- tion of the inclaned plane is the block remains rese, mgcose ans: a E ma 90-0 mgross maging 50 masino-marose =0 m mgsing -macose =0 missing = nia (OSO gsing = a (oso a= g tang

? A penclulum of mass 'in' is suspended from the seiling of a train moving with an accelera- tion'a' as shown in figure. Find the angle in equilibrium position? TOOSO ans: equation ma T a Tsing ma mg mg Tsino 1 ma 70 Tsing = ma I Tcose - -mg =0 Tcoso = mg - I Tsino = nsa 8050 mg tang = a/g 0= tar' (a/g) ? A simple penclulum is handed on a train, which is accelerated by 'g'. Find angle'o ma- de by vertical? ans: D = tar' (a/g) a=g 0= tan (9/g) O= tar (1) -45%