One end of a massless rope is attached to a mass m, the other end is attached to a mass of 1.00 kg. The rope is hung over a massless frictionless pulley as shown in the below figure. Mass m accelerates downward at 5.0 m/s2 What is m?
T.0 kg
O 3.0 kg
O 20 kg
O 1.5 kg
O 1.2 kg

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.