Simple Machines
Energy Conservation
Force
Motion
Misc
100
What simple machine is like a ramp?
What is inclined plane
100
The type of energy dependent on location and condition
What is Potential energy
100
Which of the following changes when an unbalanced force acts on an object?
What is motion
100
The equation Distance/Time is used to calculate what?
What is speed
100
How do we determine the speed of an object?
What is measure distance and time
200
A simple machine that consists of a grooved wheel with a rope that changes the direction of a force.
What is a pulley
200
They type of energy dependent on mass and speed.
What is kinetic energy
200
The force that prevents a ball rolling on the ground from continuing on its path forever is:
What is friction
200
On a graph showing distance versus time, what type of line indicates no motion?
What is a horizontal line
200
A student standing outside does not feel Earth moving in space. What is the reference point that shows Earth is moving?
What is the Sun
300
A rigid bar resting on the fulcrum to help lift a load when force is applied to the opposite end.
What is a lever
300
Objects with greater mass will have greater kinetic energy. TRUE or FALSE
What is TRUE
300
When 2 students are playing tug-of-war and neither are moving, the forces are: balanced or unbalanced
What is balanced
300
To calculate this, we use Distance/Time but also need to know the direction.
What is velocity
300
The type of energy at the highest point on a roller coaster.
What is potential energy
400
Examples include a doorknob, steering wheel, and roller skates.
What is wheel and axle
400
When an object is not moving it has maximum _________ energy.
What is potential
400
A force that attracts other particles and is stronger or weaker depending on mass and distance
What is gravitational force
400
The tendency of objects to resist any changes in motion
What is inertia
400
A radio has electric energy and is converted to ___________ energy
What is sound
500
What is the pivot point of a simple machine?
What is a fulcrum
500
The change of energy from one form to another
What is energy transformation
500
All forces act in pairs TRUE OR FALSE
What is TRUE
500
If a person ran 10 meters in 2 seconds what is his speed?
What is 5 meters per second
500
Solar panels have radiant energy that is converted to ___________ energy.
What is electric
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