The shelf s hangs from the ceiling by two ropes 1 and 2 a block of cheese b rests on the shelf. What is the correct free body diagram for the shelf s A Ft1 Ft,2 F g, s Fn g, b

B ft1 ft2 gs fn

C t1 ft2 f g b

D f n f g s

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology

Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?