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Forces, Machines, Motion, And Energy
Test Description: Exam #1
Instructions: Answer all questions to get your test result.
1) A force that continually pulls a spinning object toward its center
A
Acceleration
B
Inertia
C
Centripetal force
D
Gravity
2) The rate of change of velocity in relation to time
A
Pressure
B
Acceleration
C
Displacement
D
Friction
3) The upward pushing force of a fluid against an object that is pushing down against the fluid
A
Speed
B
Lubricant
C
Hydrometer
D
Buoyancy
4) Something that changes the motion and/or shape of an object - can create movement and can also change or stop movement
A
Heat engine
B
Vectors
C
Force
D
Inertia
5) Conducted many experiments dealing with the earth's gravitational pull
A
Newton
B
Bernoulli
C
Galileo
D
Einstein
6) A substance that reduces friction between two moving surfaces.
A
Lubricant
B
Fluid
C
Friction
D
Pressure
7) The straight line change in position of an object
A
Velocity
B
Inertia
C
Displacement
D
Speed
8) A scientist's best guess of why something is happening
A
Hypothesis
B
Theory
C
Law
D
Observation
9) An object that orbits another object
A
Sound wave
B
Solar system
C
Satellite
D
Rocket
10) The study of the mechanics of how fluids flow
A
Fusion
B
Induction
C
Fluid dynamics
D
Energy
*select an answer for all questions
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