Unit 2: Diagnostics Pre-Test

Front

What does the lowercase g represent in physics?

Back

The acceleration of gravity, which is approximately -9.8 m/s².

Front

According to Newton's First Law, what will an object in motion tend to do?

Back

Stay in motion unless acted upon by an external force.

Front

If the same force acts on a heavy mass and a light mass, which will have a greater acceleration?

Back

The light mass will have a greater acceleration.

Front

What does it mean when air resistance and weight are balanced for a skydiver?

Back

The skydiver is moving at constant velocity.

Front

How do you find the mass of an object that weighs 100 N on Earth?

Back

Divide the weight by 9.8 m/s².

Front

What is the formula for calculating weight?

Back

Weight = mass × acceleration due to gravity (W = m × g).

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 = m × a).

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

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

Back

It will maintain its state of motion (either at rest or moving at constant velocity).

Front

What is the relationship between mass and weight?

Back

Weight is the force exerted by gravity on an object's mass.