Forces Flashcards
What will two bars of iron do?
Nothing because there is no magnetic force
What will a bar of copper and a bar magnet do?
Nothing as there is no magnetic force
What will a bar of iron and a bar magnet do?
They will attract
What will a bar of steel and a bar magnet do?
They will attract
Will a South Pole and a North Pole attract or repel?
Attract
Will a South Pole and a South Pole attract or repel?
Repel
As an object falls what is the force called that acts on it?
Friction
How would different objects fall to the ground in space?
They would land at the same time, the weight does not matter as there is no air resistance
Why do objects fall at the same time on the moon?
There is lower gravity on the moon
How could you charge a ball?
By rubbing it with a cloth
What is the equation for calculating pressure?
Pressure=Force divided by Area
What are the units for calculating pressure?
Newtons/cm2 or Newtons/m2 or Pa (pascals)
