Gravity/ Free Fall Flashcards
What has a greater effect, moon or sun
The moon
Why does the moon have a greater effect on the tides
Because it’s much closer
Hey does a parachute change your terminal velocity
It slows you down so it makes the fastest you can possibly go, slower
Why does mass not affect the acceleration of falling objects
Everything falls at 10m/s/s so mass doesn’t affect that
When does surface area affect a falling object
When it is falling fast enough and is big enough then surface area will affect the air resistance causing it to go slower
What is terminal velocity
When objects stop accelerating and fall at a Constant speed
How are tides caused
Caused by gravitational effect of the sun and moon
Newton’s second law is
F= m X a
How do you calculate weight into newtons
Convert to kilograms then multiple by ten
How to calculate speed of a falling object
S=d X t
D= 1/2 g t(2)
What is a formula for v
V=g t
How do you find how far an objects fallen for a certain second only
D= 1/2 g t(2) for that second and the second before, then subtract the two
How do you calculate how high an arrow will go till it stops going up
Divide velocity by ten
Gives you the seconds
Then use d= 1/2 (-10) ( seconds) (2)
How to calculate the distance an object has fallen
D= 1/2 (g) (t) (2)
How to find velocity when leaving your hand
Time X 10m/s/s
