8.1 Contact Forces (Part 1)

Front

What is the term for a small amount by which something increases?

Back

increment

Front

What is the unit for measuring force?

Back

Newton

Front

What term describes the speed or rate at which an object is moving?

Back

velocity

Front

What is the variable that you change during an experiment called?

Back

independent variable

Front

How would you describe an object that is stiff or not flexible, such as glass or concrete?

Back

rigid

Front

What is the term for the force that opposes the motion of an object in contact with a surface?

Back

friction

Front

What is the principle that states that an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by a net external force?

Back

Newton's First Law of Motion

Front

What is the term for the force exerted by a surface to support the weight of an object resting on it?

Back

normal force

Front

What is the term for the change in velocity of an object over time?

Back

acceleration

Front

What is the term for the total force acting on an object when all the individual forces acting on it are combined?

Back

net force