What does "F" represent in the equation f=ma
Force
True or False: Speed in a given direction is called velocity.
True
Objects that affect one another are called what
Interacting Objects
The ability to do work is called what
Energy
A transmission of energy through matter created when a force causes a vibration is called what.
Waves
Acceleration
True or False: Mass and weight are the same thing in Newton's laws of motion.
False
Having the tendency to pull other objects toward itself is called what
Attraction
How is sound produced?
A force causes an object to vibrate.
The waves that carry the most energy are the waves that–
Have the greatest amplitude.
What is Newtons Third Law
For every action there is an equal and opposite reaction.
It is 240 miles from Pinecrest to Disneyland if I drive 60 mph how long will it take for me to get there? (Average Speed (s) = Distance (d) / Time (t))
4 hours
What two qualities of objects does gravity depend on?
The mass of objects and the distance between them.
he PE of a magnet in the presence of another magnet is related to–
How close the magnets are together and which direction the poles point.
Mirrors or echoes _______________, or return, energy back to the source of the sound.
Reflect
What is Newtons First Law
A object stays in motion until an unbalanced object is acted upon it and A object at rest stays at rest until a unbalanced object is acted upon it.
If a plane traveled a total of 1,200 meters during a trip, and the trip took 4 hours what was the average speed of the plane? Include the correct units. (Average Speed (s) = Distance (d) / Time (t)).
300 meters per hour
Based on what you know which statement below is FALSE?
A Gravity acts on any object with mass.
D
A student holds two iron magnets, one in each hand. The south pole of one magnet is pointed toward the south pole of the other magnet. As the magnets get closer to each other, they will–
Repel more strongly
The portion of the electromagnetic spectrum that humans can see is what?
The visible light spectrum.
What is the equation of Newtons Second Law
F=ma
V= change in distance/time. If the velocity of a moving car increases from 10.0 m/s to 25.0 m/s in the span of 5 seconds, what is the average acceleration during this time period, in m/s^2 ?
3 m/s^2
Which of the following statements is true about Sir Isaac Newton? From Reading Science.
1/1
C
The point of a compass needle points to Earth’s north pole. The point in the compass needle has–
The opposite polarity from Earth’s north pole.
Which of the following statements best describes the difference between mechanical and electromagnetic waves?
A