Scientific Method
This is an educated guess based on research.
A) Conclusion B) Experiment
C) Data D) Hypothesis
D) Hypothesis
If you walk to a point 2 km away and return to where you started, your final displacement will be
A) 4 km B) 2 km
C) Zero km D) - 2km
C) Zero km
Doing this will change your energy.
A) Applying force B) Doing work
C) Applying an impulse D) Drinking Rockstar
B) Doing work
This force keeps your feet from sliding out from under you.
A) Friction B) Gravitational
C) Normal D) Centripetal
A) Friction
A 20N weight is suspended by 2 vertical ropes. What is the tension in each rope?
A) 10N Up B) 10N Down
C) 20N Up D) 20N Down
A) 10N Up
The scientific method is used to obtain
A) Repeatable results B) Unbiased results
C) Provable results D) All of the above
D) All of the above
Average speed of a car that travelled 10 meters in 2 seconds.
A) 2 m/s B) 5 m/s
C) 10 m/s D) 20 m/s
B) 5 m/s
An example of potential energy is
A) A rock thrown horizontally B) Garlic fries
C) A puck sliding on ice C) Rock on the ground
B) Garlic fries
Gravitational force follows this law.
A) Squared B) Cubed
C) Inverse squared D) Inverse cubed
C) Inverse squared
The sum of the momentum of 2 objects before collision is 20kgm/s. After collision the sum is:
A) -20 kgm/s B) 20 kgm/s
C) 40 kgm/s D) Zero kgm/s
B) 20 kgm/s
A control in an experiment shows
A) Effects without an independent variable
B) Effects with an independent variable
C) Effects without a dependent variable
D) Effects without a hypothesis
A) Effects without an independent variable
Acceleration is a
A) Change in distance over time
B) Change is velocity over time
C) Unmeasurable
D) Has units of m/s
B) Change in velocity over time
A puck sliding on ice is an example of
A) Thermal energy B) Potential energy
C) Atomic energy D) Kinetic energy
D) Kinetic energy
Newton's second law says that force is given by
A) F=ma B) F=1/2 mv2
C) F=mgh D) F=ab
A) F=ma
If you hit a pothole on your bike you might fly over the handlebars because of
A) Force B) Gravity
C) Momentum D) Inertia
D) Inertia
The values of the dependent variable are caused by the
A) Independent variable B) The hypothesis
C) The control D) The conclusion
A) Independent variable
In a gravitational field the horizontal component of motion is:
A) Constant B) Accelerated
C) Curved D) Always positive
A) Constant
The gravitational potential energy of a 2 kg stone 4 m above the ground is (PE=m(10)h)
A) 6 Joules B) 8 Joules
C) 80 Joules D) Zero Joules
C) 80 Joules
Newton's 3rd law states
A) Objects remain at rest B) Equal and opposite force
C) Matter equals energy D) F=ma
B) Equal and opposite force
The Standard International unit for force is:
A) Joule B) Newton
C) Meter D) Second
B) Newton
This is the language of science.
A) Latin B) Math
C) German D) Russian
B) Math
A stone dropped from rest would be going this velocity after 4 seconds.
A) 10 m/s B) 20 m/s
C) 30 m/s D) 40 m/s
D) 40 m/s
The kinetic energy of a 1 kg puck sliding at 4 m/s is (KE=1/2 m v2)
A) 2 Joules B) 4 Joules
C) 6 Joules D) 8 Joules
D) 8 Joules
When you stand on the floor, this force keeps you from sinking in.
A) Gravity B) Normal
C) Centripetal D) Nuclear
B) Normal
The impulse of caused by a 10N force applied for 3 seconds is (I = Force x time)
A) 3 N-s B) 10 N-s
C) 30 N-s D) 300 N-s
C) 30 N-s