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What is the effect of applying an unbalanced force on an object?
The object accelerates (changes its velocity).
What is the effect of an object having a large inertial mass?
It is harder to accelerate the object.
What happens when the net force acting on an object is zero?
The object remains at rest or continues to move at a constant velocity.
What are the key differences between gravitational mass and inertial mass?
Gravitational Mass: Determined by gravitational attraction. | Inertial Mass: Determined by resistance to changes in motion.
Differentiate between mass and weight.
Mass: A measure of inertia (how hard it is to accelerate something). | Weight: The force of gravity on an object ($W=mg$).
What is Newton's First Law?
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 an unbalanced force.
What is inertia?
The tendency of an object to resist changes in its state of motion.
What is an inertial frame of reference?
A coordinate system from which motion is observed that is not accelerating (moving at a constant velocity).
What is equilibrium?
When all forces acting on an object are balanced (net force = 0), the object is in equilibrium. It will either remain at rest or continue moving at a constant velocity.
What is inertial mass?
A measure of an object's resistance to changes in its motion. The more massive an object is, the harder it is to accelerate.
What is gravitational mass?
This is determined by how strongly an object is attracted to other objects due to gravity.