Vocab
________________________ Measurement of how much matter is in an object
Mass
Force
Why do all objects fall on the moon at the same time?
Because there is no air in outer space.
What do we normally measure time in?
Seconds (s)
Which law of motion states the greater mass of an object, the more force it will take to accelerate the object?
Newton's second law
_________________ Force that attracts a body toward the center of the earth.
Gravity
Friction
Which object will fall to the center of the Earth first? Coin or Feather
Coin
What do we normally measure Mass in?
Kilograms (kg)
Which law of motion states for every action, there is an equal and opposite reaction?
Newton's third law of motion.
_____________ Increase the speed of something
Acceleration
I push a desk with 10N left. You push the desk with 10N right. What happens to the desk?
It doesn't move. The forces are balanced.
Which object will to the center of the earth first?
Basketball or Soccer Ball
Both will fall at the same time since they are about the same weight.
What is a speed listed as?
A distance divided by a time.
Which law of motion states an object at rest will stay at rest, and an object in motion will stay in motion until acted on by an unbalanced force?
Newton's first law.
What happens when there is an unbalanced force acting on an object?
The object moves.
____________ Force of gravity on an object
Weight
Which object will fall to the center of the earth first?
Paper or Shoe
Shoe
What do Newtons measure? (N)
Force
What word is commonly associated with Newton's first law?
Inertia
___________ Frictional force exerts against a moving object
Air resistance
What makes a speed a velocity?
Direction
Which object will fall to the center of the earth first?
Boulder or Paper
Boulder
What do Joules measure?
Energy or Work
What are the three things required in Newton's second law of motion?
Force, Mass, and Acceleration.