physics help!!!!!!!!!!!!!!!!!!!!!!!!

Question

 

How much tension must a rope withstand if it is used to accelerate a 960kg cat horizontally along a frictionless surface at 1.20m/s^2 ?

Answer 1

Mass of the car,m=960 kg

Acceleration,a=1.2 m/s^2

To calculate D'Alembert rule,

ΣFx=ma

T=(960)(1.2)

   =1152 N

Tension on rope is 1152 N