Weight & Newton's 3rd Law

Front

What is one Newton equivalent to in pounds?

Back

0.225 lbs

Front

In terms of magnitude, how are action and reaction forces related?

Back

They are always equal.

Front

What happens to action-reaction pairs?

Back

The forces occur simultaneously.

Front

What unit is weight measured in?

Back

Newtons.

Front

When two skateboarders push against each other, what happens?

Back

Each experiences an equal force in opposite directions.

Front

What is the definition of weight?

Back

Weight is the force exerted by gravity on an object.

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

How does mass affect weight?

Back

Weight is directly proportional to mass; more mass means more weight.

Front

What is the formula for calculating weight?

Back

Weight (W) = mass (m) × gravitational acceleration (g).

Front

What is gravitational acceleration on Earth?

Back

Approximately 9.81 m/s².