stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
BJU Physical Science Chapter 11: Kinetics Flashcards | StudBud
Explore
/
BJU Physical Science Chapter 11: Kinetics
BJU Physical Science Chapter 11: Kinetics
21 terms
·
StudBud Administration
·
154 plays
Bob Jones Univisity Press 9th grade science ch 11
Flashcards
21 cards
F
Practice quiz
P
Host live
L
Questions
21
Answers
1
What two factors effect momentum?
magnitude and direction
mass and velocity
temperature and speed
weight and gravity
2
What is the acceleration due to gravity (free fall)?
9.9 m/s2
9.98 m/s2
81 m/s2
9.81 m/s2
3
Which of the following
does not affect
acceleration?
change in position (x)
all of them affect accelaration.
change in direction (d)
change in speed (s/v)
4
What is step two in solving a physics problem?
write out the formula
plug in your numbers
draw the speed triangle
write out your knowns
5
The motion of an object that falls due to gravity, without any external forces is..
momentum
acceleration
circular force
free fall
6
The laws of motion and law of universal gravitation developed by __ is the basis for classical mechanics.
Einstein
Galileo
Kepler
Newton
7
What is step one in solving a physics problem?
draw the speed triangle
check your units
write out the formula
write out your knowns
8
Which unit is a vector?
speed
displacement
time
distance
9
Even if I sit as motionless as possible, to what frame of reference am I still moving?
the chair
the earth
the sun
the room itself
10
A sailboat is traveling at 15 mph
east
and the wind is blowing at 12 mph
east
. Add the vectors together.
3 mph east
37 mph west
37 mph east
11 mph west
11
Vector measurements are a __ and a ___.
value and quantity
magnitude and direction
volume and weight
amount and time
12
What represents a change in displacement over time?
velocity
distance
speed
acceleration
13
Which of the following is a
scalar
quantity?
velocity
acceleration
displacement
speed
14
Solve for
Displacement
: Jim left his house (0 mi) and traveled 8 miles to the store, and then he returned home.
16 mi east
16 mi west
8 mi west
0 mi
15
A sailboat is traveling at 15 mph
east
and the wind is blowing at 12 mph
west
. Add the vectors together.
3 mph east
37 mph west
3 mph west
37 mph east
16
Solve for
Distance
: Jim left his house (0 mi) and traveled 8 miles to the store, and then he returned home.
0 mi
8 mi north
16 mi
16 mi east
17
The description of how things move is studied within the area of _
kinematics
statics
hydrolics
dynamics
18
Which of the following is a frame of reference?
none of the above
the earth
a coordinate plane (x,y)
a duck
19
What is the symbol for
displacement
?
d
x
k
t
20
Solve for distance: Jim left his house (0 mi) and traveled 3 miles west then 5 miles west.
4 mi
12 mi
8 mi
16 mi
21
Solve for Displacement: Jim left his house (0 mi) and traveled to the store.
4 mi west
12 mi west
16 mi east
8 mi west
