Review Newtons 3 Laws Flashcard

Front

Newton's first law is also called the law of ______?

Back

Inertia

Front

Calculate the net force acting upon the object: 10N, south and 20N, south.

Back

10N, north

Front

What is the formula to calculate weight?

Back

Weight = mass × gravity

Front

If an object has a mass of 6 kg and is on a planet with gravity of 3.2 m/s², what is its weight?

Back

19.2 N

Front

What does Newton's second law state?

Back

Force equals mass times acceleration (F = ma).

Front

When a cannon fires a cannonball, what is the action force?

Back

The cannon firing the cannonball.

Front

What is the reaction force when a cannon fires a cannonball?

Back

The cannon moving backward.

Front

In a collision, the force on one object is equal to the force on the other object. This is an example of which law?

Back

Newton's third law.

Front

What is the net force if two forces of 10N and 5N act in opposite directions?

Back

5N in the direction of the larger force.

Front

What is inertia?

Back

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