Show:
Motion
Forces
Forces at a Distance
Materials
Energy
100
How many seconds are in 6 minutes?
360 seconds
100
Newton's 2nd Law describes what equation?
F=ma
100
What shape do planets orbit the sun?
ellipse
100
A paperclip is made of what kind of material?
Metal
100
What is a direct impact on California because of Global Warming?
Severe drought
200
Distance and speed are both what kind of quantity?
Scalar
200
What is the weight of a 50-kg ball?
500 N
200
What are "k" and "G"?
Constants
200
Tile flooring is an example of what kind of material?
Ceramics
200
A mousetrap car converts ___________ energy to _________ energy.
Potential to kinetic
300
If an object travels 120 meters in 30 seconds, how fast was it going?
4 m/s
300
What is the acceleration of a 4-kg bag if 5 N are applied to it?
1.25 m/s^2
300
Whose's Laws describe forces at a distance?
Newton's and Coulomb's
300
A plastic bag is an example of what kind of material?
Polymers
300
What will make an electromagnet stronger
more loops and an iron core
400
Gravity is a(n) ____________?
Acceleration
400
What is the force called that opposes all motion?
friction
400
Gravitational force is __________ force?
weak
400
Carbon fiber is an example of what kind of material?
Composite
400
What is the process that creates electricity from magnetism?
Induction
500
Newton's 1st Law can be summarized as what?
Inertia
500
What does Force x time calculate?
Impulse
500
How do these forces depend on distance?
They are inversely proportional to the distance squared. (1/r^2)
500
Which material is brittle?
Ceramics
500
Earth's magnetic field does what?
deflects solar winds.