WorksheetsCicconi - Vertical Kinematics CC
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
Lastname, Firstname?
4 lines
2.
Class Period?
a)
2
b)
4
3.
According to the technical definition of free fall, which of the following statements FALSELY describes an object that is in free fall?
a)
Gravity is the only force acting on it.
b)
It can be moving upwards.
c)
Air resistance can be acting on it.
d)
It can be moving horizontally.
e)
All of these are true!
4.
An object is thrown down at 40.0 m/s from a height of 100 m and free falls toward the ground. Ignoring air resistance, which of the following is true concerning its motion as it falls?
a)
Only its acceleration is constant.
b)
Only its velocity is constant.
c)
None of these.
d)
Both its acceleration and velocity are constant.
5.
A feather and a hammer are dropped from the same height in a vacuum. Which of the following is true?
a)
The feather will hit the ground first.
b)
The hammer will hit the ground first.
c)
Both objects will hit the ground at the same time.
6.
You flip a coin and catch it. While the coin is in the air and ignoring air resistance, which of the following is true?
a)
The coin is accelerating downward the entire time.
b)
The coin is accelerating upward the entire time.
c)
The direction of the coin's acceleration changes as it moves.
d)
The coin is not accelerating while it is in the air.
7.
A rock is thrown downward from the top of a building. It falls and hits the ground. If you choose up to be positive, which of the following would be negative in your VVTAD? (Select all that apply)
a)
Initial Velocity
b)
Acceleration
c)
Displacement
d)
Time
8.
True or False? When something falls and hits the ground, you should set its final velocity equal to 0 m/s in your VVTAD.
a)
True
b)
False
9.
Two identical rocks are thrown from the top of a cliff at the same time and from the same height. One is thrown straight UP at 25 m/s and the other is thrown straight DOWN at 25 m/s. Ignoring air resistance, which rock hits the ground at a higher speed?
a)
The rock thrown straight up hits at a higher speed.
b)
The rock thrown straight down hits at a higher speed.
c)
The rocks hit the ground at the same speed.
d)
This is impossible to determine.
100 %
