Describing Force and Motion: Part 1 Flashcard

Front

What is motion?

Back

A change in position.

Front

What is inertia?

Back

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

Front

What direction will an object move if two forces act on it in different directions?

Back

The object will move in the direction of the net force acting on it.

Front

What is the relationship between force and acceleration?

Back

Acceleration is directly proportional to the net force acting on an object and inversely proportional to its mass (Newton's Second Law).

Front

What force causes a roller coaster to go down a hill?

Back

Gravity.

Front

What is the definition of force?

Back

A push or pull that can cause an object to move, stop, or change direction.

Front

How does mass affect the motion of an object?

Back

More mass means more force is needed to change its motion.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What happens to an object in motion if no net force acts on it?

Back

It will continue to move at a constant velocity (Newton's First Law).