Unit 3: Forces and Newton's Laws of Motion

Front

The sum of all the forces acting upon an object is called the _____________.

Back

Net force

Front

According to Newton's second law, if you increase the force applied to an object, it ____________ more.

Back

accelerates

Front

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD. This demonstrates _____________.

Back

Newton's Third Law of Motion

Front

Inertia is dependent on how much __________ something has.

Back

Mass

Front

Balanced forces result in a net force of _____________.

Back

zero

Front

Newton's First Law states that an object at rest will stay at rest unless acted upon by a _____________.

Back

net external force

Front

The force that opposes the motion of an object is called _____________.

Back

friction

Front

The unit of force in the International System of Units (SI) is _____________.

Back

Newton (N)

Front

An object in motion will remain in motion at a constant velocity unless acted upon by a _____________.

Back

net external force

Front

The relationship between force, mass, and acceleration is described by _____________.

Back

Newton's Second Law of Motion