A strong, weightless rope has a 0.15 kg mass hanging from the middle of it, as in the image. What tension force will make the rope horizontal, corresponding to 0=0*?
Answers:
0.98 N
• No tension force can do this.
9.8 N
1.5 N

Awalk up the phase change graph worksheet

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.