Your principal as being tranfered write speech that you will deliver as the school prefect on the commendation service
Check my answers pls
The "***" is my answer
1.A person pushes a box. He applies a force of 400 newtons, and he pushes the box for a distance of 4 meters. After he stops pushing, the box slides forward another meter. How much work was done by the person?
A. 400 joules
B. 1600 joules***
C. 2000 joules
D. 100 joules
2.In this pulley system, the pulleys will _____ the mechanical force required to lift the block and will change the _____.
A. decrease; direction of the force
B. increase; direction of force***
C. increase; weight of the block
D. decrease; weight of the block
3.Which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?
A. class 1 = F, L, E (or E, L, F)
class 2 = F, E, L(or L, E, F
class 3 = L, F, E (or E, F, L
B. class 1 = L, F, E (or E, F, L ***
class 2 = F, L, E (or E, L, F
class 3 = L, E, L (or L, E, L
C. class 1 = F, E, L (or L, E, F
class 2 = L, F, E (or E, F, L
class 3 = F, L, E (or E, L, F
D. class 1 = F, E, L (or L, E, F
class 2 = F, L, E (or E, L, F
class 3 = L, F, E (or E, F, L
4. How do simple machines make work easier?
a. they decrease the distance needed between a person and an object, allowing the person to apply more force and do more work
b. they reduce the amount of force needed to move an
object to do the same amount of work ***
c. they magnify the force being applied, thereby decreasing the work they can do with no extra energy exerted by the person using the machine
d. they increase the distance over which a force is needed, doing more work with less force
5. A person using a lever applies 98 Newtons to lift a 20-kilogram box. They apply the force over a distance of 4 meters to lift the box a distance of 2 meters. How much work is done?
A. 392 joules
B. 40 joules
C. 80 joules
D. 196 joules***
6. A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?
A. to reduce the energy needed to lift the box while keeping the direction of the force the same
B. to reduce the energy needed to life the box and change the direction of the force ***
c. to reduce the force needed to life the box while keeping the direction of the force the same
d. to reduce the force needed to lift the box and change the direction of the force
7. Use the image of a person lifting a boulder with a lever to answer the question.
Where is the fulcrum in this situation?
A. it is the point where the boulder touches the ground. ***
B. it is the point where the person's hand pushes down of the bar
C. it is the point where the bar touches the boulder.
D. it is the point where the bar touches the smaller rock
8. In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same mass.)
A. a car that traveled 80 kilometers on 5.0 liters of gas ***
B. a car that traveled 70 kilometers on 5.0 liters of gas
c. a car that traveled 90 kilometers on 6.0 liters of gas
d. a car that traveled 50 kilometers on 4.0 liters of gas
9. Use the table
machine output work input work
a 750 1500
b 1000 4000
c 450 600
d 3000 5000
Which machine has the highest efficiency?
A. machine b ***
B. machine c
C. machine a
D. machine d
please help me do my assignment
Of course, I can help you write a speech for the commendation service as the school prefect. Here's a step-by-step guide on how to write an impactful speech:
1. Introduction:
- Start with a warm greeting to the audience and acknowledge the presence of important guests.
- Introduce yourself as the school prefect and briefly mention the purpose of the commendation service.
2. Acknowledge the Principal's Transfer:
- Begin by acknowledging the recent news of your principal's transfer.
- Express gratitude for the principal's guidance, leadership, and contribution to the school community.
3. Reflect on the Principal's Impact:
- Share specific examples and anecdotes of how the principal has positively influenced the school or individual students.
- Highlight the principal's skills, qualities, and achievements that made a difference in the school's growth and success.
4. Discuss the Principal's Legacy:
- Talk about the long-lasting impact the principal will leave behind at the school.
- Mention any initiatives, programs, or changes implemented during their tenure that transformed the school environment.
5. Express Gratitude:
- Express sincere appreciation on behalf of the students, staff, and school community for the principal's dedication and support.
- Share any personal anecdotes or heartfelt stories demonstrating the impact the principal has had on your own experience.
6. Look to the Future:
- Discuss the plans and strategies that the school community will continue to implement based on the principal's vision.
- Emphasize the importance of carrying forward the lessons learned from the principal's leadership.
7. Thank the Principal:
- End the speech by personally thanking the principal once again for their service and wishing them well in their new role.
- Encourage the audience to join in expressing gratitude to the principal.
Remember, it's important to personalize the speech with your own thoughts and emotions. Use genuine language and maintain a positive and respectful tone throughout.