Flashcard: Forces

Front

What is the scientific unit for force?

Back

Newton

Front

If an object is not accelerating, what can be said of the net force?

Back

It is zero.

Front

What is true about an object moving at constant velocity?

Back

The net forces are zero.

Front

Which of the following is an example of a contact force?

Back

Sitting in a chair.

Front

Which of the following is an example of a non-contact force?

Back

Between Moon and Earth.

Front

What is a force?

Back

A push or pull acting upon an object.

Front

What is the difference between contact and non-contact forces?

Back

Contact forces require physical interaction, while non-contact forces act at a distance.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is gravitational force?

Back

The attractive force between two masses.