Newton’s Laws of Motion

Front

What is Newton's 1st Law of Motion?

Back

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 a net external force.

Front

Define inertia in the context of Newton's 1st Law.

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the formula for calculating acceleration?

Back

Acceleration (a) is calculated using the formula a = F/m, where F is the net force applied and m is the mass of the object.

Front

If a net force of 12 N is applied to a 3 kg object, what is the acceleration?

Back

The acceleration is 4 m/s².

Front

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

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

Front

How does doubling the force on an object affect its acceleration according to Newton's 2nd Law?

Back

Doubling the force will double the acceleration, assuming mass remains constant.

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

Provide an example of Newton's 3rd Law in action.

Back

When you push against a wall, the wall pushes back with an equal and opposite force.

Front

What is the significance of the net force in Newton's Laws?

Back

The net force is the total force acting on an object, determining its acceleration according to Newton's 2nd Law.

Front

Explain the concept of action-reaction pairs in Newton's 3rd Law.

Back

Action-reaction pairs are forces that two objects exert on each other; they are equal in magnitude and opposite in direction.