Vocabulary 1
________________________ 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.
Friction is a force that acts in the ____________ direction of the intended motion of an object.
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
Rolling
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
____________ Action of moving or being moved.
Motion
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.
A swimmer swimming in a pool is what kind of friction?
Fluid
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.
________________ Attraction that the Earth exerts on an object or that an object exerts on the Earth.
Gravitational Pull
____________ Force of gravity on an object
Weight
Which object will fall to the center of the earth first?
Paper or Shoe
Shoe
What kind of friction keeps objects in place so they do not just go flying off tables?
Dry
What word is commonly associated with Newton's first law?
Inertia
___________ Frictional force exerts against a moving object
Air resistance
_______________ Force caused by air; the force acts in the opposite direction of an object moving
Drag
Which object will fall to the center of the earth first?
Boulder or Paper
Boulder
What is another name for dry friction?
Static Friction
What are the three things required in Newton's second law of motion?
Force, Mass, and Acceleration.