Learning Power to an object Gravity Frictional force Vertical drag Pressure The movement of the object The movement of the speed to change The movement and power Game Blanks game Falling ball game Panel Question Tug of war game Shuffle game Look for a tag Quiz Quiz 1 Quiz 2 Site map Site map

Frictional force There is time when a box does not work even if I push the box put on the ground like the left figure.Power to match with power to push the basket acts on a box then.A direction and a reverse direction of one's power that is going to move the object work when I lay emphasis on an object when objects touch it.This power is called frictional force.   Two power Like the left figure, there is it with composition of forces in replacing it with power of 1 in 2.In addition, resultant says the power that I rearranged.