ch 3 section 2

inertia

Newton's first law of motion is also called the law of ____.

unbalanced

Newton's first law of motion states that an object remains at rest unless a(n) ____ force acts on it.

acceleration

For any object, the greater the force that's applied to it, the greater its ____ will be.

kilograms (kg), Newtons (N)

Mass is expressed in units of _____ and weight is expressed in units of _____. (Choose the appropriate units as listed in their respective order.)

10 m/s2

The acceleration due to gravity is ____.

mass

The amount of matter or "stuff" in an object is referred to as the _____ of the object.

weight

The force of gravity that acts upon an object is referred to as the _____ of the object

The acceleration of an object is ______ proportional to the net force and _______ proportional to its mass. Choose the appropriate units as listed in their respective order.

directly, inversely

Inertia varies depending on ____.

mass