Momentum
Kinetic Energy
Force
Engineering Design
100
Which cart has the highest momentum?
2 m/s 4 m/s
2nd cart
100
What is the definition of Kinetic Energy?
The energy an object has because of its motion
100
What causes an object to move - a balanced force or an unbalanced force?
Unbalanced force
100
In your own words, what is a prototype?
A "Practice product"
200
What is the equation for momentum?
Mass X Velocity
200
What does KE stand for in the following equation?
KE = 1/2 X m X v2
Kinetic Energy
200
When 2 or more objects collide, do they each feel the same force or different forces?
Same force
200
In your own words, what is a tradeoff?
Sacrificing something desirable for something more desirable.
300
Which cart has the highest momentum?
0 m/s 0 m/s
Neither
300
What does m stand for in the following equation?
KE = 1/2 X m X v2
Mass
300
What is the equation for calculating force?
Force = mass X acceleration
300
In your own words, what is the definition of "criteria"?
The aspects of a design that must be met.
400
Which player is more likely to get injured?
6 m/s 6 m/s
The little one
400
What does v stand for in the following equation?
KE = 1/2 X m X v2
Velocity
400
A tricycle crashes into a Ford F-150. Which one feels the greater force?
Neither - they both feel the same force
400
In your own words, what is a "constraint"?
Any sort of limitation on a design.
500
What is the definition of momentum?
Mass in motion
500
Name an example of something with kinetic energy
moving car....moving ball... moving anything
500
What unit is force measured in?
Newtons
500
Why is it useful to have several different designs for the same product before mass production?
To test them and see which is better.