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