A girl has a mass of 40kg and center of mass at G. If she is swinging to a maximum height defined by theta = 60 deg, determine the force developed along each of the four supporting posts such as AB at the instant theta = 0 deg. The swing is centrally located between the posts.

... line displacement time plot indicates constant velocity motion ...Forces acting on the box are shown in the ... angle θ increases, the frictional force acting on ...

... where K is the force constant of the spring ... of momentum we get the velocity of combined ... energies will decrease and the elastic potential energy will increase ...

... (a) What is the velocity of the ... of mechanical energy : When only conservatives forces are acting on ... As only gravity (conservative force) is acting on the system ...

... As the velocity of the projectile is too large, the height ... will be too large and thus the potential energy of the ... As there is no non-conservative force to be ...

... frame will be the same as the forces measured in ... rest or moving with a constant velocity the person ... there is an additional fictitious force which points ...

... form, F=-kr, with an effective force constant of k ... the displacement does the kinetic energy equal the potential energy? ... block= 1 Kg V1=Initial velocity of bullet ...

... given certain variables, involving mass, height and velocity. ... the gravity and the elastic force of the ... Both the forces being conservative, law of conservation ...

... What is the strength of the frictional force acting on her (in ...Velocity maximum = Aw = 0.567 Acceleration ...Potential energy at a distance of r from the center of ...

... 0 = (m + M)*v Where v is the velocity of the ... spring constant K is the ratio of the force to the ... particles be m1 and m2 and their initial velocities (along line ...

... so the resultant force of these two forces is: 15 ... is neglected and the gravitational force is conservative ... Momentum = Mass * Velocity So answer is A, which has ...