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WorksheetsConservation of Energy and Momentum Review
Total questions: 40
Worksheet time: 2hrs 58mins
Chase strikes a golf ball to bring it from rest to a Kinetic Energy of 50 J. What is the force that accomplishes this and is Total Mechanical Energy conserved or not conserved?
Gravitational Force and TME Conserved
Applied Force and TME Not Conserved
Applied Force and TME Conserved
Spring Force and TME Not Conserved
Which of the following forces would be considered Conservative Forces? Click all that apply!!
Spring Force or
FsApplied Force or Fapp
Tension Force or FT
Gravitational Force or Fg
Air Resistance or Fair
Which of the following forces would be NON-Conservative Forces? Click all that apply!
Gravitational Force or
FgNormal Force or FN
Frictional Force or Ff
Tension Force or FT
Air Resistance Fair
Hector catches a baseball with a mit while playing catcher for the team. What is the main force in this scenario and would be TME conserved or not conserved?
Spring Force and TME Conserved
Tension Force and TME NOT conserved
Friction Force and TME NOT conserved
Applied Force and TME NOT conserved
Travis is driving down the road and lets off of the gas and his velocity changes from 30 m/s to 20 m/s. What is the force acting in this scenario and is TME Conserved or not conserved.
Applied Force and TME Conserved
Frictional Force and TME Not conserved
Tension Force and TME Conserved
Gravitational Force and TME Conserved
A kite is flying at 15 m/s when a gust a wind slows it to 10 m/s. What is the force acting in this scenario and is TME conserved or not conserved?
Gravitational Force and TME Conserved
Applied Force and TME Not Conserved
Frictional Force and TME Conserved
Air Resistance and TME Not Conserved
A kite is flying at 15 m/s when a gust a wind slows it to 10 m/s. Is this an example of positive work, negative work or no work done?
Positive Work
Negative Work
No Work
Can Not be Determined
Travis is driving down the road and lets off of the gas and his velocity changes from 30 m/s to 20 m/s. Is this an example of Positive Work, Negative Work or No work done?
Positive Work
Negative Work
No Work
Can Not be Determined
Hector catches a baseball with a mit while playing catcher for the team. Is this an example of positive work, negative work or no work done?
Positive Work
Negative Work
No Work
Can Not be Determined
Chase strikes a golf ball to bring it from rest to a Kinetic Energy of 50 J. Is this an example of Positive Work, Negative Work or No Work Done?
Positive Work
Negative Work
No Work
Can Not be Determined
Bart Simpson fires a rock from his elastic slingshot at Nelson Munz. Which force is causing the action in this scenario and is the TME conserved or not Conserved
Spring Force and TME Conserved
Applied Force and TME Not Conserved
Normal Force and TME Not Conserved
Gravitational Force and TME Conserved
Bart Simpson fires a rock from his elastic slingshot at Nelson Munz. Is this an example or Positive Work, Negative Work or No work?
Positive Work
Negative Work
No Work
Can Not be Determined
A tennis ball rolls off of a roof and falls towards the ground. What is the force present in this scenario and is TME Conserved or Not Conserved?
Air Resistance Force and TME Not Conserved
Gravitational Force and TME Conserved
Gravitational Force and TME Not Conserved
Normal Force and TME Not Conserved
A tennis ball rolls off of a roof and falls towards the ground. Would this be an example of positive work, negative work or no work?
Positive Work
Negative Work
No Work
Can not be determined
Total mechanical energy is equal to:
The Quotient of Kinetic Energy and Gravitational Potential Energy
The Product of Kinetic Energy and Gravitational Potential Energy
The difference between Kinetic Energy and Gravitational Potential Energy
The sum of the Kinetic Energy and Gravitational Potential Energy
The Law of Conservation of Mechanical Energy states all of the following except:
Energy cannot be created or destroyed
Total mechanical energy is conserved or unchanged
Gravitational potential energy is equal to kinetic energy
The sum of potential and kinetic energy is conserved
Consider this image. At point A, what is the gravitational potential energy?
0 J
1200 J
120 J
12000 J
At point A, what is the kinetic energy?
0 J
500 J
1000 J
1200 J
What is the total mechanical energy at point A
0 J
600 J
900 J
1200 J
What is the Kinetic Energy at point B?
200 J
1200 J
1000 J
1400 J
What is the velocity at point B?
200 m/s
0 m/s
100 m/s
14.14 m/s
What is the velocity at point E?
150 m/s
75 m/s
12.24 m/s
15.49 m/s
Lupe, a 75 kg runner, increases her velocity from rest to 20 m/s. If this occurs over 50 meters, what force does she produce?
600 N
150 N
300 N
22.5 N
An elevator has it's potential energy change from 1,000,000 J to 100,000 J. If this occurs over a distance of 30 meters, what is the force required to accomplish this?
33,333.33 N
30,000 N
0.000033 N
3,333.33 N
Tim strikes a baseball moving with 80 J of kinetic energy and changes the kinetic energy to 120 J. If this is done over a distance of 0.05 meters, what is the force of the baseball bat on the ball.
0.00125 N
2400 N
1600 N
800 N
A car moving with 750,000 J of kinetic energy is brought to rest over a distance of 50 meters. What is the stopping force on the car?
15,000 N
0.000067 N
750,000 N
0 N
Which of the following are required in order to have momentum?
Velocity
Acceleration
Tension Force
Height
Which of the following are examples of an impulse? Click all that apply!
Change in momentum
Constant momentum
Force acting over time
A mass in motion
During a collision, which of the following could possibly be changed? Select all that apply!
Speed
Time
Change in Momentum or Impulse
Force
Lilli drops a glass beaker in Chemistry Lab and it shatters. Why did the beaker break?
The change in momentum was large when the beaker struck the tile floor
The change in momentum was small when it struck the tile floor
The impact time was small which increased the impact force with the tile floor
The impact time was large which decreased the impact force with the tile floor
Impact Force and Impact Time have what type of relationship with each other?
Reverse
Inverse
Direct
Diagonal
Marisol is practicing her tumbling for gymnastics. Why does she do this on a padded mat instead of hard gym floor?
The padded mat increases the impact time, which decreases the impact force and reduces the possibility of injuries
The padded mat decreases the impact time, which increases the impact force and reduces the possibility of injuries
The padded mat decreases the change in momentum, which reduces the possibility of injuries
The padded mat increases the change in momentum, which reduces the possibility of injuries
A 0.05 kg tennis ball moves with a momentum of 4 kg*m/s. What is it's velocity?
0.0125 m/s
0.2 m/s
3.95 m/s
80 m/s
A 0.025 kg bullet is fired from rest and has an applied force of 200 N acted upon it over 0.1 seconds. What is the final velocity (Vf) of the bullet?
5 m/s
20 m/s
400 m/s
800 m/s
180,000 N
5000 N
0.0002 N
30,000 N
A bowling ball experiences a change of momentum of 140 kg*m/s when it is brought from rest to 20 m/s. What is the mass of the bowling ball?
2800 kg
0.14 kg
7 kg
120 kg
Which of the following are correct measurements of momentum? Click all that apply!
112 kg*m/s2 East
4 kg*m/s South
22 kg*m/s
95 m/s West
205 kg*m/s Downwards
Stan is playing basketball and not paying attention when Steve passes a the ball to him. If the ball strikes him in the head and goes out of bounds, what type of collision would this be?
Inelastic Collision
Hard Collision
Elastic Collision
Strong Collision
A 0.15 kg white cue billiards ball moving at 8 m/s towards the 9-ball that has a mass of 0.2 kg that is at rest. If the white cue ball comes to rest after the collision, what is the final velocity of 9-ball?
8 m/s
0.167 m/s
6 m/s
3.42 m/s
A 9mm pistol, with a mass of 1.2 kg, is at rest with a bullet in the chamber. If the trigger is pulled, the bullet with a mass of 0.05 kg, has a speed of 400 m/s. What is the recoil velocity of the 9 mm?
9600 m/s
16.67 m/s
20 m/s
400 m/s
