1. First Law (Inertia):
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 an unbalanced force.
2. Second Law (Force and Acceleration):
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This is often expressed as F=ma (Force = mass x acceleration).
3. Third Law (Action and Reaction):
For every action, there is an equal and opposite reaction. When one object exerts a force on another object, the second object exerts an equal and opposite force on the first.
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1. What does Newton’s First Law of Motion say about objects that are already moving or at rest?
2. How does mass affect acceleration when a force is applied, according to the Second Law?
3. What is the mathematical formula for Newton’s Second Law, and what do each of its parts mean?
4. How does the Third Law of Motion explain why a balloon flies when you let it go without tying it?
5. Can you give a real-life example that shows all three laws of motion working together?
Why do passengers lurch forward when a car suddenly stops? How is this related to inertia?
If space is a vacuum, why doesn’t a spaceship need to keep its engines on to continue moving?
How would Newton’s First Law apply on a frictionless ice rink?
Why does a heavier object require more force to achieve the same acceleration as a lighter one?
How does this law apply to a rocket launching into space?
Can you think of a situation where multiple forces act on an object, but it doesn't accelerate?
If you punch a wall, why does it hurt your hand?
Why do astronauts float in space after pushing off a surface?
If Earth pulls on the moon, does the moon also pull on Earth? What’s the result?
keywords
Inertia
Rest
Motion
Uniform velocity
Net force = 0
Resistance to change
Force
Mass
Acceleration
F = ma
Proportional
Net force
Action
Reaction
Equal and opposite
Interaction
Pairs of forces