AKS 8b/8c Review

Front

What is the difference between mass and weight?

Back

Mass is a measure of the amount of matter in an object and does not change regardless of location. Weight is the force exerted by gravity on that mass and can change depending on the gravitational pull of the environment.

Front

What does Newton's 2nd Law of Motion state?

Back

Newton's 2nd Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

Front

In a vacuum, how do objects fall?

Back

In a vacuum, all objects fall at the same rate regardless of their mass, meaning a bowling ball and a feather would hit the ground at the same time.

Front

What is the acceleration due to gravity on Earth?

Back

The acceleration due to gravity on Earth is approximately 9.8 m/s².

Front

What is weight?

Back

Weight is the force of gravity acting on an object, calculated as the mass of the object multiplied by the acceleration due to gravity (W=mg).

Front

What is the formula for calculating weight?

Back

Weight (W) = Mass (m) × Acceleration due to gravity (g).

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion. The more mass an object has, the greater its inertia.

Front

What is the relationship between mass and inertia?

Back

The greater the mass of an object, the greater its inertia, meaning it will require more force to change its motion.

Front

What is gravitational force?

Back

Gravitational force is the attractive force between two masses. It depends on the masses of the objects and the distance between them.

Front

What is the significance of the first law of motion?

Back

Newton's 1st Law of Motion states that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.