Which possesses the most gravitational potential energy A A 50 g object 30 m above the ground
B A 100 g object 20 m above the ground
C A 2 kg object 0.75 m above the ground
D A 4 kg object 0.25 m above the ground

Why does the input force have to be greater than the force needed to lift the bale?

Which object is most likely represented by a dot?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.