🧲 MAGNETISM
What do opposite magnetic poles do?
They attract
What happens when forces are balanced?
no change in motion
Which law explains objects staying in motion?
Newton’s 1st Law
What force pulls objects down?
gravity
What force pushes a runner forward?
friction
What do like poles do?
They repel
A book sits on a table. Balanced or unbalanced?
balanced
More force causes what?
More acceleration
What force pushes airplanes upward?
lift
What force pulls the runner down?
gravity
How can you test magnet strength?
Count how many objects it can pick up
What happens when forces are unbalanced?
motion changes
Every action has what?
Equal and opposite reaction
What slows objects in air?
drag
What force pushes upward from the ground?
Normal force
Are forces between two magnets equal?
Yes, equal and opposite
A car moving at constant speed → balanced or unbalanced?
balance
Which law explains rockets moving in space?
Newton’s 1st Law
If thrust = drag, what happens?
Constant speed
What force slows the runner in air?
air resistance
What happens to magnetic force as distance increases?
It gets weaker
Why doesn’t a rock move when pushed?
Opposing forces cancel out
What happens when mass increases?
Harder to accelerate
If thrust > drag, what happens?
A: Speeds up
`When a runner speeds up, are forces balanced?
No, unbalanced