What scientist thought that the rate at which an object falls depended on the objects mass
What is Aristotle
100
Who came up with the mass of an object does not affect the time it takes the object to fall
What is Galileo Galilei
100
Your hand does what to a force on a ball that makes the ball move forward
What is exerts
100
Mass is a measure of what
What is inertia
100
Am object at rest remains at rest and an object in motion remains in motion at constant speed and in a straight line unless acted upon an unbalance force
What is Newton's first law of motion
200
Formula for calculating change in velocity
What is v=g x v
200
Where did Galileo drop is cannon balls from
What is leaning tower of Pisa
200
What would happen if your bumper car hits another car
What is you move forward until your seat belt stops you
200
What two parts do acceleration depend on
What is mass and force
200
The acceleration of am object depends on the mass of the object and the amount of force applied
What is Newton's second law of motion
300
The acceleration due to the gravity on Earth
What is 9.8m/s/s
300
Why do objects fall at the same rate
What is the acceleration due to gravity is the same for all objects
300
A gold ball on a tee is an example of what
What is object at rest
300
For ever action there is a
What is equal and opposite reaction
300
Whenever one object exerts a force on a second object, a second object exerts an equal and opposite force on the first
What is Newton's third law of motion
400
The motion of a body when only the force of gravity is acting on the body
What is free fall
400
Why does flat paper fall more slowly than crumpled paper
What is air resistance
400
An object at motion will stay at motion forever unless
What is acted on by an unbalanced force
400
Force pairs do not do what
What is act on the same object
400
How is Newton's second law expressed mathematically
What is f=m x a
500
A frog leaping is an example of:
What is projectile motion
500
If there were no air resistance how fast would hail stones hit the ground
What is 350m/s
500
What is the tendency of an object to resist being moved
What is inertia
500
The unbalanced force that causes objects to move in a circular path
What is centripetal force
500
What is the curved path an object follows when thrown or launched