HTH 135 FINAL REVIEW QUESTIONS
WITH 100% CORRECT ANSWERS {
GRADED A+}
Scalar -✔✔ One number used to describe it
Temperature, mass, energy, speed
Vector -✔✔ Two numbers to describe it: magnitude and direction
Force, acceleration, momentum, velocity
Acceleration -✔✔ Change in velocity
M/s^2
Newton's first law of motion -✔✔ Whatever it's doing it wants to keep doing
If forces are balanced 0 acceleration
If forces are unbalanced there's acceleration
, Newton's second law of motion -✔✔ F = m x a
Newton's third law of motion -✔✔ If you push on something it will push back
Big G -✔✔ Never changes
Little g -✔✔ Change from planet to planet
Planets are held in their orbit by _____________. -✔✔ Gravity and momentum
Mass -✔✔ How much stuff
Quantification of inertia
Resistance to change
The same on the moon
Weight -✔✔ Mass accelerated by gravity
Different on the moon
Momentum -✔✔ Mass multiplied by velocity
P=mxv
Impulse -✔✔ change in momentum
Force multiplied by time
WITH 100% CORRECT ANSWERS {
GRADED A+}
Scalar -✔✔ One number used to describe it
Temperature, mass, energy, speed
Vector -✔✔ Two numbers to describe it: magnitude and direction
Force, acceleration, momentum, velocity
Acceleration -✔✔ Change in velocity
M/s^2
Newton's first law of motion -✔✔ Whatever it's doing it wants to keep doing
If forces are balanced 0 acceleration
If forces are unbalanced there's acceleration
, Newton's second law of motion -✔✔ F = m x a
Newton's third law of motion -✔✔ If you push on something it will push back
Big G -✔✔ Never changes
Little g -✔✔ Change from planet to planet
Planets are held in their orbit by _____________. -✔✔ Gravity and momentum
Mass -✔✔ How much stuff
Quantification of inertia
Resistance to change
The same on the moon
Weight -✔✔ Mass accelerated by gravity
Different on the moon
Momentum -✔✔ Mass multiplied by velocity
P=mxv
Impulse -✔✔ change in momentum
Force multiplied by time
