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Newton's Laws

Vocabulary

QuestionAnswer
A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat? 100 Newtons in the opposite direction
What is the sum of all forces acting on an object? Net Force
What is a change in position compared to other objects? Motion
What law states that for every action, there is an equal and opposite reaction? Third Law
What is it called when you strike or hit something with any amount of force? Collide
What is another word for collide? Collision
According to Newton's Third Law, if someone is riding a wakeboard and then jumps off, the wakeboard will travel in the opposite direction because... for the force that sent the person forward, there is an equal force pushing back on the wakeboard.
The nozzle of a toy rocket is pointed down so that as fuel is ignited, the exhaust pushes down. Why is this necessary? As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.
For every force there is an equal and opposite reaction between ___. Interacting objects
A ___ is the unit of measurement for force. Newton
When you are sitting in a chair, your body exerts a ___ on the chair and the chair exerts the ___ force back. Force; same
When applying a force to a book on a desk, the force must be greater than the force of ___ in order for the book to move. Friction
True True or False? A rocket launched into space and a balloon accelerating upward are both examples of Newtons Third Law.
False True or False? A train moving at a constant speed and a girl circling on a carousel are both examples of Newtons Third Law.
What is the definition of force? push or pull
What do we call the amount of matter in an object? mass
What is acceleration? the rate of change of velocity
What is velocity? BOTH speed and direction of an object
What law is force = mass times acceleration? Second Law
What law states an object will stay in motion unless an outside force acts on it? First Law
How many Newton laws are there? Three
When an object has a net force of zero, it is balanced
When an object has a net force greater than zero, it is unbalanced
Created by: goffteam
 

 



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