constant speed? she has to pull with 64*9.8 N
if she pulls stronger
forcepulling-mass*g=mass*a
mass(1.08*g-g)=mass*a
a=.08g
A girl at a ropes course pulls herself upward using a cage and pulley system. There combined mass is 64 kg.
A)Calculate the force she pulls down with to raise herself at constant speed.
B)Calculate her acceleration if she increases her force by 8%.
1 answer