1 True or False Motion is measured relative to a reference point TRUE Motion is measured relative to a reference point 2 True or False Average speed is the rate at which an object is moving at a given instant ID: 698176
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Slide1
Motion Review
Physical
ScienceSlide2
1. True or False…
Motion is measured relative to a
reference point
.Slide3
TRUE
Motion is measured relative to a
reference point
.Slide4
2. True or False…
Average speed
is the rate at which an object is moving at a given instant.Slide5
False
Instantaneous speed
is the rate at which an object is moving at a given instant.Slide6
3. True or False…
A
meter
is a place or object used for comparison to determine if something is in motion.Slide7
FALSE
A
reference point
is a place or object used for comparison to determine if something is in motion.Slide8
4. True or False…
If a toy car traveling at 10 cm/s passes a toy car moving at 10 cm/s in the opposite direction, both cars have the same
velocity
.Slide9
FALSE
If a toy car traveling at 10 cm/s passes a toy car moving at 10 cm/s in the opposite direction, both cars have the same
speed
.Slide10
5. True or False…
A straight diagonal line on a
distance vs. time
graph indicates constant speed.Slide11
TRUE
A straight diagonal line on a
distance vs. time
graph indicates constant speed.Slide12
6. True or False…
A
horizontal
line on a distance vs. time graph means that the object is at rest.Slide13
TRUE
A
horizontal
line on a distance vs. time graph means that the object is at rest.Slide14
7. True or False…
A child riding on a merry-go-round is accelerating because his direction is
changing
.Slide15
TRUE
A child riding on a merry-go-round is accelerating because his direction is
changing
.Slide16
8. True or False…
The SI unit of
velocity
is the meter per second per second.Slide17
FALSE
The SI unit of
acceleration
is the meter per second per second.Slide18
9.True or False…
A straight line on a graph of
speed vs. time
means that the object has a constant acceleration.Slide19
TRUE
A straight line on a graph of
speed vs. time
means that the object has a constant acceleration.Slide20
10. True or False…
The steepness of a line graph is referred to as the
run
.Slide21
FALSE
The steepness of a line graph is referred to as the
slope
.Slide22
11.
A reference point is assumed to be _______, or not moving.Slide23
11.
A reference point is assumed to be
__stationary_____,
or not moving.Slide24
12.
A change in an object’s position relative to a reference point is called _______________.Slide25
12.
A change in an object’s position relative to a reference point is called
____motion___________.Slide26
13.
When riding a bicycle past a building, you are not moving relative to the ____________.Slide27
13.
When riding a bicycle past a building, you are
not
moving relative to the
___bicycle_________.Slide28
14.
Suppose you are sitting in a car at a red light when a car moving toward the north begins to pass you. If you use the passing car as a reference point, the direction in which you
appear
to be moving is toward the _____________. Slide29
14.
Suppose you are sitting in a car at a red light when a car moving toward the north begins to pass you. If you use the passing car as a reference point, the direction in which you
appear
to be moving is toward the
south.Slide30
15.
The distance traveled by a moving object per unit of time is called ____________________.Slide31
15.
The distance traveled by a moving object per unit of time is called
______speed_____.Slide32
16.
The basic SI unit of length is the _________________.Slide33
16.
The basic SI unit of length is the
meter.Slide34
17.
Speed that does not change is referred to as ____________ speed.Slide35
17.
Speed that does not change is referred to as
constant
speed.Slide36
18.
The statement that the motion of a hurricane is 20 km per hour in an easterly direction is a description of the hurricane’s _______________.Slide37
18.
The statement that the motion of a hurricane is 20 km per hour in an easterly direction is a description of the hurricane’s
velocity.Slide38
19.
A speed of 15 km per hour is abbreviated as 15 _____Slide39
19.
A speed of 15 km per hour is abbreviated as 15
km/h.Slide40
20.
Acceleration is the rate of change in _______________.Slide41
20.
Acceleration is the rate of change in
velocity.