Science -term-1-work And Energy

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Cdevi7290
C
Cdevi7290
Community Contributor
Quizzes Created: 4 | Total Attempts: 5,176
| Attempts: 938
Quiz Lesson
SettingsSettings
Please wait...
  • 1/10 Questions

    _________is a machine made up of wheel and rope.

    • Screw
    • Wedge
    • Pulley
Please wait...
About This Quiz


Explore the fundamentals of work and energy through this engaging quiz. Covering key concepts such as pulleys, energy, levers, and simple machines like screws and ramps, this quiz enhances understanding and application of mechanical principles in physics.

Science -term-1-work And Energy - Quiz

Quiz Preview

  • 2. 

    The ability to do work is called______

    • Energy

    • Load

    • Effort

    Correct Answer
    A. Energy
    Explanation
    Energy is defined as the ability to do work. It is a fundamental concept in physics and is measured in various units such as joules or calories. Energy can exist in different forms such as kinetic energy, potential energy, thermal energy, and chemical energy. It is the capacity of a system to perform work or produce heat. In the context of this question, energy is the correct answer as it directly relates to the ability to do work.

    Rate this question:

  • 3. 

    Lever is classified into______types.

    • 6

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    A lever is classified into three types: first-class lever, second-class lever, and third-class lever. These classifications are based on the relative positions of the fulcrum, the effort force, and the load. Each type of lever has different characteristics and is used in different ways. Therefore, the correct answer is 3.

    Rate this question:

  • 4. 

    [simple machines help us to make work easier] true or false?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Simple machines are designed to make work easier by reducing the amount of force required to perform a task. They achieve this by either increasing the distance over which the force is applied or by changing the direction of the force. Examples of simple machines include levers, pulleys, inclined planes, and wheels and axles. Therefore, the statement "simple machines help us to make work easier" is true.

    Rate this question:

  • 5. 

     [knife,scissors and axe are examples for wedge] true or false?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because a wedge is a simple machine that is used to split or separate objects. A knife, scissors, and an axe are all examples of wedges because they have a sharp edge that is used to exert pressure and separate materials.

    Rate this question:

  • 6. 

    The blade and sharpener are held together by________.

    • Screw

    • Wedge

    • Pulley

    Correct Answer
    A. Screw
    Explanation
    The blade and sharpener are held together by a screw. A screw is a threaded fastener that is used to hold objects together by applying rotational force. In this case, the screw is used to secure the blade and sharpener tightly, ensuring that they remain in place and function properly.

    Rate this question:

  • 7. 

    The SI unit of energy is________

    • Newton

    • Watts

    • Joule

    Correct Answer
    A. Joule
    Explanation
    The SI unit of energy is joule. The joule is a derived unit of energy in the International System of Units (SI). It is defined as the amount of work done when a force of one newton is applied over a distance of one meter. The joule is commonly used to measure various forms of energy such as mechanical, electrical, and thermal energy.

    Rate this question:

  • 8. 

    An example for inclined plane is________.

    • Grinder

    • Nut cracker

    • Ramp

    Correct Answer
    A. Ramp
    Explanation
    An inclined plane is a simple machine that consists of a sloping surface. It is used to reduce the effort required to move an object vertically by increasing the distance over which the force is applied. A ramp is a common example of an inclined plane as it allows objects to be moved up or down with less force compared to lifting them straight up. It provides a gradual slope, making it easier to transport heavy objects such as furniture or vehicles.

    Rate this question:

  • 9. 

     [Nail cutter belongs to class II lever] true or false?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement that "Nail cutter belongs to class II lever" is false. A class II lever is a lever where the load is between the fulcrum and the effort. In the case of a nail cutter, the fulcrum is located at the pivot point, but the effort (the force applied by the user) is also located at the same end. The load (the nail being cut) is located at the opposite end. Therefore, a nail cutter belongs to class III lever, where the effort is between the fulcrum and the load.

    Rate this question:

  • 10. 

    ________is the force we apply on the lever.

    • Load

    • Effort

    • Fulcrum

    • Option 4

    Correct Answer
    A. Effort
    Explanation
    The force we apply on the lever is known as the effort.

    Rate this question:

Quiz Review Timeline (Updated): Apr 11, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 11, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 26, 2020
    Quiz Created by
    Cdevi7290
Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.