3. There is a thin layer of water between the blade and the ice. Suggest how this affects friction and helps the skater? .

An uplifted block of rock between two normal faults

An object has a weight of 500 on earth what is the mass of this object

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.