8th Grade Forces & Motion

Front

Newton’s third law states that for every action, there is an ________ reaction.

Back

equal and opposite

Front

Which of the following is not a physical property?

Back

what an object is made of

Front

Anything that takes up space and has mass or volume is called _________.

Back

Matter

Front

When a cannon fires a cannonball, which is the reaction force?

Back

The cannon moving backwards

Front

Describe the speed of the rocket in the speed vs. time graph if it is increasing.

Back

Increasing speed

Front

What is the definition of force?

Back

A push or pull on an object.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

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 speed?

Back

Speed = Distance / Time

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.