force = 2*9.81 - 7 = 12.6 Newtons
accelerated mass = 5 + 2 = 7
a = F/m = (12.6/7) m/s^2
A blob of mass 5 kg is place on a table top.it is attached to a mass piece of 2kg by a light string that passes over a frictionless pulley.the table top exerts a frictional force of 7 N on the block (a) calculate the accelation of the system
2 answers
How do i calculate the tension in the string