Newton's 2nd Law

Front

What is Newton's 2nd Law of Motion?

Back

Newton's 2nd Law states that the force acting on an object is equal to the mass of that object multiplied by its acceleration (F = ma).

Front

What does the equation F = ma represent?

Back

F = ma represents the relationship between force (F), mass (m), and acceleration (a) in Newton's 2nd Law.

Front

What are the units of force in the International System of Units (SI)?

Back

The unit of force in SI is the Newton (N).

Front

If an object has a mass of 5 kg and is accelerating at 3 m/s², what is the force acting on it?

Back

F = ma = 5 kg * 3 m/s² = 15 N.

Front

How does increasing the mass of an object affect its acceleration if the force remains constant?

Back

Increasing the mass of an object decreases its acceleration if the force applied remains constant.

Front

What happens to the force required to keep an object moving in space with no friction?

Back

In frictionless space, no additional force is required to keep an object moving once it is in motion.

Front

What is the relationship between force, mass, and acceleration?

Back

The relationship is direct: more force results in more acceleration, while more mass results in less acceleration for the same force.

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 the mass of the object.

Front

If a 10 kg object is subjected to a force of 50 N, what is its acceleration?

Back

a = F/m = 50 N / 10 kg = 5 m/s².

Front

What is the effect of net force on an object?

Back

The net force determines the acceleration of an object; if the net force is zero, the object will not accelerate.