Introduction to Forces

Front

What is the force of gravity on an object called?

Back

Weight

Front

Which law of Newton 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 do we call the motion of an object when only gravity is acting on it?

Back

Free Fall

Front

In a force diagram, what does the size or length of the arrow represent?

Back

The strength of the force

Front

What is required for an object to move?

Back

Force

Front

What is the term for the push or pull on an object?

Back

Force

Front

What is the measure of the amount of matter in an object?

Back

Mass

Front

What is the acceleration due to gravity on Earth?

Back

Approximately 9.81 m/s²

Front

What is the term for the force that opposes the motion of an object through a fluid (like air or water)?

Back

Drag or Air Resistance

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass (Weight = Mass x Gravity).