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Projectile Motion
Test Description: Weight and projectile motion questions
Instructions: Answer all questions to get your test result.
1) A projectile's path through space is known as its
A
maximum height
B
trajectory
C
freefall
D
parabola
2) The U shape curve a projectile's trajectory makes is called
A
flight time
B
parabola
C
trajectory
D
maximum height
3) The highest point in a projectile's trajectory is called
A
range
B
trajectory
C
maximum height
D
free fall
4) The horizontal distance a projectile travels is its
A
range
B
maximum height
C
trajectory
D
parabola
5) Accelerating only due to gravity and no other outside forces is also called
A
free fall
B
projectile
C
range
D
flight time
6) Any object in the air that accelerates only due to gravity(in freefall) is called a
A
flight time
B
maximum height
C
trajectory
D
projectile
7) x in projectile equations stands for
A
the vertical distance traveled
B
the cancelling of velocities
C
the horizontal distance traveled
D
the up or downward direction
8) y stands for in projectile equations
A
the every day question of 'why must I have to do this'
B
the horizontal distance traveled
C
the side to side distance traveled
D
the vertical distance traveled
9) What is the difference between mass and weight
A
mass includes the downward acceleration due to gravity
B
they are the same thing
C
weight includes the downward acceleration due to gravity
D
your mass can change, weight cannot
10) What is the unit for weight?
A
N, newton
B
kg, kilograms
C
lbs, pounds
D
m, meters
11) g stands for the acceleration due to gravity. What is the value of the constant?
A
1.6m/s^s
B
it varies on Earth
C
8.9m/s^s
D
9.8m/s^s
12) What angle gives a projectile its farthest range?
A
90 degrees
B
45 degrees
C
15 degrees
D
75 degrees
13) What angle gives a projectile its maximum height?
A
75 degrees
B
90 degrees
C
45 degrees
D
15 degrees
14) assuming no air resistance, what effect does mass have on a projectile's trajectory?
A
a larger mass falls at a faster rate
B
all objects fall at the same rate, regardless of mass. So no effect
C
a smaller mass falls at a faster rate
D
a larger mass increases the range
15) What is the weight of a 25.0kg child on Earth?
A
245lbs
B
245N
C
2.55N
D
0.392N
16) A man has a weight of 745N on Earth. What is his mass?
A
76.0kg
B
0.013kg
C
89kg
D
7301kg
17) An 89kg man has a weight of 143N on the moon. What is the value of g on the moon?
A
2.2m/s^s
B
7.6m/s^s
C
5.4m/s^s
D
1.6m/s^s
18) If you increase the initial velocity of a launch from 20m/s to 50m/s, what would you expect to happen to the projectile?
A
It will fall vertically at a faster rate
B
It will have a shorter range
C
It will have a farther range
D
nothing
19) Which equation would you use if you had to find the range of a projectile launched horizontally?
A
x = vi t
B
y = 1/2 g t^2
C
x = vi cos(theta) t
D
w=mg
20) Which equation would you use if you had to find the vertical distance traveled of a projectile launched horizontally?
A
x = vi cos(theta) t
B
y = 1/2 g t^2
C
w=mg
D
x = vi t
*select an answer for all questions
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