The applied force of 3 washers will increase the applied force on the car to n.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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?