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Science Olympiad Study Hovercraft
Test Description: Its a test to study for science Olympiad 2017
Instructions: Answer all questions to get your test result.
1) How much is one Newton worth?
A
1.00 N = 0.25 lbs.
B
1.00 N = 0.225 lbs.
C
1.00 N = 25 lbs.
D
1.00 N = 0.255 lbs.
2) What is the ratio of force and weight to move an object at a certain speed?
A
net F = Mass + Acceleration
B
net F = Mass - Acceleration
C
net F = Mass x Acceleration
D
net F = Mass /Acceleration
3) What is the equation for impulse?
A
Speed x Period over which force is applied = impulse experienced
B
net F x Period over which force is applied = impulse experienced
C
net F / Period over which force is applied = impulse experienced
D
net F + Period over which force is applied = impulse experienced
4) What is Newton's third Law?
A
When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite
B
F = M x A
C
An object in motion will remain in motion unless a greater force acts upon it
5) For years, space travel was believed to be impossible because there was nothing that rockets could push off of in space in order to provide the propulsion necessary to accelerate. This inability of a rocket to provide propulsion is because ...
A
gravity is absent in space.
B
nonsense! Rockets do accelerate in space and have been able to do so for a long time.
C
space is void of air so the rockets have nothing to push off of.
D
space is void of air and so there is no air resistance in space.
6) An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s2. The takeoff speed for this plane will be 65 m/s. What is the minimum distance of a track?
A
47 meters
B
80 meters
7) h
A
h
B
n
8) h
A
h
B
n
9) nh
A
hn
B
nh
10) nh
A
nh
B
nh
*select an answer for all questions
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