Forces and Newton's Laws

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

What is acceleration?

Back

Acceleration is the rate at which an object changes its velocity.

Front

What is the formula for calculating average velocity?

Back

Average velocity = Total displacement / Total time.

Front

What are the units of velocity?

Back

The units of velocity are typically meters per second (m/s) or kilometers per hour (km/h).

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What does it mean for an object to be in motion?

Back

An object is in motion if its position changes relative to a reference point over time.

Front

What factors are needed to describe motion?

Back

To describe motion, you need position, direction, and speed.

Front

How does friction affect motion?

Back

Friction is a force that opposes motion, causing objects to slow down or stop.

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 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 (F = ma).