Please help immediately A uniform stick AB can be balanced on a knife edge 10cm from one end when a weight of 200N is hung from that end .When the knife edge is removed 5cm further from that end, the 200N weight has to be moved to a point 8.75cm from the knife edge to obtain a balance. Find the length of the stick and its weight.

please draw the diagram before solving

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?