Physics 1
How do you identify position?
By comparing the location of the object with the location of another object or place
If you missed the motion of John's jump, which could you NOT know?
a. change in position
b. how much he moved
c. how fast he moved
d. change between the starting position and ending position
C
What information is necessary when describing the position of an object?
The location of the object and the location of another object or place.
Which of the following is not true?
a. a faster moving object moves farther than a slower moving object in the same amount of time
b. speed is a measure of how quickly or slowly an object changes position
c. motion is a change of position over time
d. the speed of a moving object never changes
d
Provide an example to describe using a reference point.
When you describe a location based on a certain location.
Define frame of reference
Location of an observer in motion
When is it appropriate to use a reference point?
When describing the location of a place or an object.
What is the difference between a reference point and a frame of reference?
A frame of reference is used to describe motion, and a reference point is used to describe position
A map shows that NYC is 99km away from you, but when you get there, you traveled 120 km. What happened?
Straight line distance is different from the actual distance.
If Donna is observing a car moving towards her. what does her observation also depend on?
a. how fast the car is moving
b. her own motion
c. the motion of surrounding objects
d. the distance that the car is traveling
B.
What is the prime meridian?
An imaginary line that runs north-south through Greenwich, England.
If you are riding a train, which of the following objects is NOT moving from your frame of reference?
a. a cyclist going slower than the train
b. a passenger sitting beside you
c. a car going faster than the train
d. a bride
b
If John is doing a long jump, which 2 things will change about his position?
Vertical and horizontal position.
What is relative motion?
When one observer sees a certain motion differently from another motion.
What is not true of latitude & longitude?
a. locations are given by two numbers
b. it is simlar to describing where a point on a graph is located
c. it is an unreliable way to describe a location
d. it describes how far a location is from the equator and the prime meridian
C
If the subway train you are riding has no windows, why would it be difficult to determine if you are moving?
a. you are unable to see your reflection
b. you cannot compare the speed of the train to an outside object
c. natural light from the sun is needed to determine motion
d. you cannot determine if other subway trains are moving at the same speed
B
If you missed John's motion of his jump, how will you know he moved?
The difference between his starting and ending positions.
Which of the following will not change the motion of a boat?
a. wind
b. waves
c. solar wind
d. a paddle
D
When would you mesaure total length instead of straight line distance?
When calculating how far you walked in a day.