Newton's Laws

Front

Example of balancing forces:

• A Book resting on the table.
• A pencil is knocked off the desk.

Back

A Book resting on the table.

Tags

NGSS.3-PS2-1

Front

What is Newton's 1st Law?

Back

An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

Front

What is Newton's 2nd Law?

Back

Acceleration depends on two variables, the mass of the object and the amount of force.

Tags

NGSS.MS-PS2-2

Front

What is Newton's 3rd Law?

Back

For every action there is an equal and opposite reaction.

Tags

NGSS.MS-PS2-1

Front

What explains why objects resist changes in their state of motion?

Back

inertia

Front

What explains a quantity that has BOTH speed and direction?

Back

Velocity

Front

Newton's first law states that an object must travel at a constant speed and in ___________, unless an unbalanced force acts on it.

Back

the same direction

Front

The force that prevents a ball rolling on the ground from continuing on its path forever is...

Back

Friction

Tags

NGSS.3-PS2-1

Front

A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward? Options: For every action there is an equal and opposite reaction., Every mass exerts a force on every other mass., An object at rest tends to stay at rest., Friction opposes the motion of an object.

Back

For every action there is an equal and opposite reaction.

Tags

NGSS.MS-PS2-1

Front

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situation? Options: Newton's first law, Newton's second law, Newton's third law, Conservation of momentum

Back

Newton's second law

Tags

NGSS.MS-PS2-2