Force & Motion and Newton's Laws

Front

What is the net force on an object?

Back

The net force is the total force acting on an object, taking into account both magnitude and direction. It determines the object's acceleration.

Front

State Newton's 1st Law of Motion.

Back

An object in motion stays in motion, and an object at rest stays at rest unless acted upon by an external force.

Front

What are the two types of forces?

Back

Contact forces (forces that require physical contact) and non-contact forces (forces that act at a distance, like gravity).

Front

What is an example of an unbalanced force?

Back

When a stronger force pushes a box to the right while a weaker force pulls it to the left, causing the box to move to the right.

Front

Define acceleration.

Back

Acceleration is the rate of change of velocity of an object. It can be caused by a change in speed or direction.

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 for calculating force?

Back

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

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion. It is directly related to mass.

Front

How does mass affect acceleration?

Back

According to Newton's 2nd Law, greater mass results in less acceleration for the same amount of force applied.

Front

What is the effect of gravity on falling objects?

Back

All objects fall at the same rate due to gravity, regardless of their mass, in the absence of air resistance.