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