In the pulley system shown below, a 360 n weight is slowly lifted. assuming the system is 100% efficient and each pulley is weightless, what is the minimum input force needed to lift the weight? rope pile l= 16.74m a. 61 n b. 121 n c. 181 n d. 361 n

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Which two particles are found in the center of an atom