1. physics modify 2 problem values Sem I Jeopardy
About Science/ Lab Reports
1. It is called the most basic science
physics
2. What is done to a theory
to accommodate a new fact
modify
3. # of significant digits in
X 3.1 answer 2
problem
4. First step in the scientific method
values
5. The “V” in VFSA

2. speed acceleration velocity 110 mi/hr Motion
1. Distance divided by time
speed
2. Constant quantity for a free falling object
acceleration
3. Speed and direction
velocity
4. Relative speed between 50 mi/hr northbound
and 60 mi/hr southbound cars
110 mi/hr
5. Instantaneous speed at top of vertical toss

3. Nt 3rd L inertia 2N opposite acceleration Newton’s Laws
1. Pushing on something pushes back on you
Nt 3rd L
2. Resistance to a change of motion
inertia
3. Force that would accelerate
a 2 kg object 1 m/s2 2N
4. Direction of friction force
compared to original force
opposite
5. Produced by a net force
acceleration

4. 5N resolution 25 N mag dir Vectors
1. Tension in 2 vertical ropes supporting 10 N 5N
2. Resultant force on an object in equilibrium
3. Technique of finding components of vectors
resolution
4. Max resultant of 5 N and 20 N vectors
25 N
5. 2 parts of a vector quantity
mag dir

5. Momentum
1. Mass times velocity
momentum
2. Force times change in time
impulse
3. Impulse = change in this
momentum
Ns impulse changes velocity
of 5 kg object by _
20 m/s
5. States: momentum before = momentum after
Law of Conservation of momentum

6. work ½ mv2 15,000 J Watt 5 W Energy 1. Force times distance
2. Formula for KE
½ mv2
3. KE of 300 kg object moving 10. m/s
15,000 J
4. Unit of power
Watt
5. Power required to do 50 J of work in 10 s
5 W

7. stable equil unstable neutral cg in Earth Center of Gravity
1. Displacement causes rising cg
stable equil
2. Displacement causes lowering cg
unstable
3. Displacement causes no change in cg
neutral
4. Object topples when this extends beyond base cg
5. Location of cg of earth-moon system
(in Earth, between, in Moon)
in Earth

8. centripetal tangent centrifugal 4 N torque Circular Motion
1. Center seeking force
centripetal
2. Motion of circularly moving object
on a string when the string breaks
tangent
3. Fictitious force due to inertia of circularly
moving object
centrifugal
4. Centripetal force on 2 kg in 2 m radius
moving at 2 m/s
4 N
5. Force times radial arm
torque

9. Cavendish Tot E gravity distance 2 N Gravitation
1. He measured the Univ Grav Constant
Cavendish
2. Remains constant for satellite
in elliptical orbit (PE, KE, Tot E)
Tot E
3. Weakest force in nature
gravity
4. Force of grav varies inversely with this
distance
5. Weight of 9 N earth object on planet with 2X
the mass and 3X the radius
2 N