Accuracy & Precision
Newton's Laws of Motion I
Newton's Laws of Motion II
Levers
Mechanical Advantage
100
Describes how consistent your measurements are
What is precision?
100
The first law is more commonly known by this name
What is the law of inertia?
100
Newton's second law is more commonly known by this equation.
What is F = ma?
100
A wheelbarrow is a classic example of this class of lever
What is second class?
100
Mechanical advantage is determined by this relationship
What is output force / input force?
200
Describes how exact your measurements are
What is accuracy?
200
A body in motion stays in its state of motion unless this happens
What is acted on by an external force?
200
A force acting on an object causes it to do this
What is accelerate?
200
A crowbar is an example of this class of lever.
What is first class?
200
A mechanical advantage of less than one means this force is greater
What is the input force?
300
Your projectile hits different parts of the target, but always hits the target.
What is accurate, but not precise?
300
When you stand on the ground, your weight pushes on the floor and the floor does this
What is pushes back up on your feet with equal force?
300
The third law is more commonly known by this word pair
What is action-reaction?
300
Most of your catapults are this class of lever
What is third class?
300
Defined by the relationship: input distance / output distance
What is ideal mechanical advantage?
400
Measurements of 10.3 m, 10.4 m, 10.2 m, 10.3 m and the actual measurement is 12.0 m
What is precise, but not accurate?
400
This law explains why you lean forward when you're in a car in which the brakes are slammed
What is the law of inertia (1st law)?
400
The unit by which force is measured
What is Newtons?
400
Door handles are located opposite to the hinges resulting in this input tradeoff for this class of lever
What is less force, but more distance for a second-class lever?
400
Changing gears on a bicycle to ride up a hill entails this tradeoff
What is less input force, but more input distance?
500
Length measurements are 5 m, 4.934 m, 5.07 m, 4.9 m and the actual measurement is 5.0 m
What is accurate, but not precise?
500
The unit for acceleration
What is meters per second squared?
500
An rock smashes into an object with a force of 10 N, causing the object to accelerate away at 10 meters per second squared if it has this approximate mass.
What is 1 kg?
500
At an effort distance of 20 cm, this is the effort force required to balance a load force of 5 N located at 80 cm for this class of lever.
What is 20 N and third class?
500
A second-class lever provides this mechanical advantage and ideal mechanical advantage
What is MA > 1 and ideal MA < 1?
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