Show:
Motion
Forces
Newton's Laws
Simple Machines
Miscellaneous
100
What kind of motion does the Earth have as it revolves around the sun?
What is constant motion
100
Forces can _________ or __________ on an object.
What is push or pull
100
When all forces acting on an object balance each other, the object is in a state of __________________.
What is equilibrium
100
Machines change the direction or the amount of ____________ needed to do work.
What is force
100
___________ is done when a force moves an object
What is work
200
_____________ describes the speed and direction of an object's motion.
What is velocity
200
Every object in the universe exerts a __________________________________ on every other object.
What is gravitational pull.
200
The tendency to resist any change in motion is called ______________.
What is inertia
200
A wheel and ___________ is an example of a simple machine
What is axle
200
The amount of work that is done is measured in ________________.
What is joules
300
Wheels move in a ___________ motion.
What is circular.
300
_______________ moves to slow down the motion of an object or keep it from starting to move.
What is friction
300
It's the rate at which the velocity of an object changes over time.
What is acceleration
300
Pliers and a clothespin are examples of this type of simple machine.
What is a lever
300
The rate at which work is done is called ______________.
What is power
400
A car travels 200 miles south in 5 hours. What is the car's velocity?
What is 40 mph south.
400
While gravity exerts only a pulling force, ____________ and ______________ exert both a pushing and a pulling force on objects.
What is electricity and magnetism
400
Newton's 3rd law states that?
What is every action has an equal and opposite reaction
400
A machine that uses 2 or more simple machines is called a _______________________
What is a complex machine
400
If you hold an object in place, is work being done?
What is No, because work is only done when the object moves
500
What kind of motion does a pendulum have?
What is periodic
500
The magnitude of a force is measured in ______________.
What is Netwons
500
What is Newton's first name?
What is Isaac
500
Flagpoles and drapery rods are examples of ___________________.
What is a pulley
500
In the movie "Tintin", what is the name of Tintin's dog?
What is snowy