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FREE PHYSICS AND STUDY GAMES ABOUT PHYSICS UNIT
1 VOCAB EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -32 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: newtons third law of motion
Answer:
a law stating that every time one object exerts a force on another object, the second object exerts a force that is equal in size and opposite in direction back on the first object.
Question 2: Joule
Answer:
a unit used to measure energy and work.
Question 3: Theory
Answer:
a well-tested explanation of a phenomenon that is consistent with all available evidence.
Question 4: Energy
Answer:
The ability to do work or to cause a change.
Question 5: Acceleration
Answer:
the rate at which velocity changes over time.
Question 6: Law
Answer:
A rule describing a relationship that always works in the same way under the same conditions.
Question 7: acceleration
Answer:
final velocity- initial velocity
Question 8: newtons second law of motion
Answer:
a law stating that the acceleration of an object increases with increased force, and decreases with increasing mass.
Question 9: Amplitude
Answer:
the distance from the resting position to the top of a crest or to the bottom of a trough.
Question 10: Geocentrism
Answer:
the belief that the Earth is at the center of the Universe.
Question 11: Oscillation
Answer:
movement back and forth at a regular speed
Question 12: Frequency
Answer:
the number of occurrences of a repeating event per unit of time.
Question 13: Momentum
Answer:
a measure of mass in motion.
Question 14: Heliocentrism
Answer:
the belief that the Sun is at the center of the Universe
Question 15: speed
Answer:
distance: time
Question 16: Velocity
Answer:
a speed in a specific direction.
Question 17: momentum
Answer:
p = mv
Question 18: Law of conservation of energy
Answer:
energy is neither created nor destroyed but transformed and transferred from one form to another.
Question 19: Wave Period
Answer:
the time it takes to complete one cycle.
Question 20: force
Answer:
f = ma
Question 21: Relative motion
Answer:
the idea that the observation of motion depends on the observer.
Question 22: Equation
Answer:
a statement that the values of two math expressions are equal (indicated by the sign =)
Question 23: Friction
Answer:
A force that resists the motion between two surfaces in contact.
Question 24: newtons first law of motion
Answer:
a law stating that an object at rest remains at rest and object in motion remains in motion with the same velocity and in a straight line unless acted on by an unbalanced force.
Question 25: Centripetal force
Answer:
Any force that keeps an object moving in a circle.
Question 26: Frequency of a wave
Answer:
f = 1/T
Question 27: Force
Answer:
a push or pull' something that changes the motion of an object.
Question 28: Terminal velocity
Answer:
the final, maximum velocity of the following object.
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