Newton
Action/ Reaction

Less than, More than, Equal too

Thrust

Vocab
100
For every action, there is an equal and opposite reaction.
What is Newton's Third Law
100
A ball is sitting on the floor. The ball exerting a force on the floor is the ________, and the floor exerting a force back to the ball is the _________.
What is action, reaction
100
A bat hits a ball. Is the amount of force the ball exerts back to the bat in reaction less than, more than, or equal to the amount of force the bat originally exerted on the ball?
What is equal to
100
A rocket generates 10,000 lbs. of thrust. How strong will the reaction to that thrust be?
What is 10,000 lbs.
100
_______ is the tendency of all objects to resist any change in motion
What is inertia
200
States that the motion of an object will not change is no unbalanced forces act on it.
What is Newton's First Law of Motion
200
A boat uses a propeller for propulsion. The boat pushing backwards on the propeller is the ______.
What is action
200
A football is thrown in the air. The action of gravity is that the football is attracted to Earth. The reaction is the Earth is attracted to the football. Which is stronger, the action or reaction?
What is neither, they are equal.
200
A rocket generates 10,000 lbs. of thrust. The rocket weighs 5,000 lbs. and is pointed up. What will happen when the engine is fired? -the rocket will lose altitude -the rocket will gain altitude -the rocket will not change altitude
What is the rocket will gain altitude.
200
The forward force produced by an airplane's engines
What is thrust
300
An object tends to stay in motion because it has
What is inertia
300
A boat uses a propeller for propulsion. The boat pushing forwards on the propeller is the _________.
What is reaction
300
A rocket generated 10,000 lbs. of thrust. The rocket weighs 12,000 lbs. and is pointed up. What will happen if the engine is fired while the rocket is already in the air? -the rocket will gain altitude -the rocket will lose altitude -the rocket's altitude will not change
What is the rocket will lose altitude
300
The force that opposes or restricts motion in a fluid
What is drag
400
States that the acceleration of an object depends on its mass and on the force exerted on it.
What is Newton's Second Law of Motion
400
A football is thrown in the air. The football being attracted to Earth is the ________ of gravity.
What is action
400
When an object pushes on another object, the other object pushes back __________
What is equally
400
The action and reaction force are a pair. The two forces are _______ in size but _________ in direction.
What is equal, opposite
500
Newton's law that simply states that "all forces act in pairs".
What is Newton's Third Law of Motion
500
A football is thrown into the air. The Earth being attracted to the football is the __________ of gravity.
What is reaction
500
A reaction will have ___________ force as the action.
What is equal
500
_____ is a property of a moving object that depends on the object's mass and velocity.
What is momentum
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