Forces

Front

What is the force that pulls objects toward the center of the Earth?

Back

Gravity, also known as the force of gravity or gravitational force, is the force that attracts objects toward the center of the Earth.

Front

F_a is the abbreviation for...

Back

Air resistance.

Front

What is the combination of all forces acting on an object?

Back

Net force.

Front

An object in motion stays in motion at a constant velocity, and an object at rest stays at rest, unless acted upon by an ____ ____.

Back

Unbalanced force.

Front

If F_net = 0, the object...

Back

Is not accelerating.

Front

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

Back

Newton (N).

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.

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 friction?

Back

Friction is the force that opposes the motion of an object in contact with a surface.