Newtons Laws of Motion

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a net external force.

Front

What is Newton's Second Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This is often expressed as F = ma.

Tags

NGSS.HS-PS2-1

Front

What is Newton's Third Law of Motion?

Back

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

Tags

NGSS.MS-PS2-1

Front

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

Back

Newton (N), which is defined as kg·m/s².

Front

What happens to an object's motion when the net force acting on it is zero?

Back

The object's motion remains unchanged.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

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NGSS.MS-PS2-2

Front

What is the relationship between mass and acceleration according to Newton's Second Law?

Back

As mass increases, acceleration decreases for a given force.

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NGSS.MS-PS2-2

Front

What is an example of Newton's Third Law in everyday life?

Back

When you jump off a small boat, the boat moves backward as you move forward.

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NGSS.MS-PS2-1

Front

What does it mean for forces to be balanced?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

What is the formula to calculate force?

Back

Force (F) = mass (m) × acceleration (a).

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NGSS.HS-PS2-1