Force and Motion

Front

What is Newton's First Law of Motion?

Back

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

Front

What is the definition of force?

Back

A push or pull on an object resulting from the object's interaction with another object.

Front

What is friction?

Back

A force that opposes the motion of an object, caused by the contact between two surfaces.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion; the greater the mass, the greater the inertia.

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).

Front

What is Newton's Third Law of Motion?

Back

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

Front

What is gravitational force?

Back

The attractive force between two masses; it causes objects to be pulled towards each other.

Front

What is the role of a brake in motion?

Back

Brakes apply friction to slow down or stop the motion of an object.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the concept of balanced forces?

Back

When two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.