A Physics Quiz On Torque

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    Which of these is the unit of torque?

    • N
    • Nm
    • Mn
    • Nn
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About This Quiz

How good is your knowledge of physics? Do you know what torque is? Would you like to take a physics quiz on torque that we have designed for you to test your knowledge and understanding of torque as well as to expand it as you go through these questions? In physics, torque is also called the moment of a force. It's the tendency of a force to rotate the body to which it is applied. Let's see how well you can answer these questions based on torque. All the best!

A Physics Quiz On Torque - Quiz

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  • 2. 

    A bridge that is anchored resting on two pillars have

    • Equilibrium torque

    • Disequilibrium torque

    • No torque

    • The torque that can break the bridge

    Correct Answer
    A. Equilibrium torque
    Explanation
    When a bridge is anchored resting on two pillars, it means that the bridge is in a state of equilibrium. In this state, the forces acting on the bridge are balanced, resulting in no net torque or rotational force. Therefore, the correct answer is "Equilibrium torque."

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  • 3. 

    When opening a door, the hardest way is

    • Applying the force at the door's part that is closest to the hinges

    • Applying the force at the door's middle part a bit far from the hinges

    • Applying the force at the door's edge that is far from the hinges

    • None of these

    Correct Answer
    A. Applying the force at the door's part that is closest to the hinges
    Explanation
    When opening a door, applying the force at the door's part that is closest to the hinges is the hardest way because the hinges act as a pivot point. When force is applied at the part closest to the hinges, it creates a longer lever arm, making it more difficult to open the door. On the other hand, applying force at the door's middle part or edge that is far from the hinges creates a shorter lever arm, making it easier to open the door. Therefore, applying force at the door's part closest to the hinges requires more effort and is the hardest way to open the door.

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  • 4. 

    What happens with an object when it experiences a net torque?

    • It is being pushed.

    • It is being pulled.

    • It is static.

    • It is rotating.

    Correct Answer
    A. It is rotating.
    Explanation
    When an object experiences a net torque, it means that there is an unbalanced force causing a rotational motion. Torque is the measure of how effectively a force can cause an object to rotate. If there is a net torque acting on an object, it will start rotating or change its existing rotation. Therefore, the correct answer is that the object is rotating.

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  • 5. 

    When opening a door, the easiest way is

    • Applying the force at the door's part that is close to the hinges

    • Applying the force at the door's middle part a bit far from the hinges

    • Applying the force at the door's edge that is far from the hinges

    • None of these

    Correct Answer
    A. Applying the force at the door's edge that is far from the hinges
    Explanation
    When opening a door, applying the force at the door's edge that is far from the hinges is the easiest way because it creates a greater leverage and reduces the amount of force required to open the door. This is due to the principle of torque, where a force applied at a greater distance from the pivot point (in this case, the hinges) creates a greater turning effect. Therefore, applying the force at the door's edge that is far from the hinges allows for easier and more efficient opening of the door.

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  • 6. 

    Torque is also called

    • Stationary moment

    • Moment of force

    • Force of moment

    • None of these

    Correct Answer
    A. Moment of force
    Explanation
    Torque is the measure of the force's tendency to cause an object to rotate around an axis. It is also known as the moment of force because it represents the rotational effect of a force. The term "moment" refers to the turning effect that a force produces. Therefore, the correct answer is "Moment of force."

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  • 7. 

    Which of these defines torque the best?

    • "Force exerted on an object TIMES the distance of the lever arm (away from the center)."

    • "Force exerted on an object TIMES the distance of the motion."

    • Both A & B

    • None of these

    Correct Answer
    A. "Force exerted on an object TIMES the distance of the lever arm (away from the center)."
    Explanation
    Torque is defined as the force exerted on an object multiplied by the distance of the lever arm away from the center. This definition accurately captures the concept of torque, as it highlights the relationship between force and distance that determines the rotational effect on an object. The term "lever arm" refers to the perpendicular distance between the axis of rotation and the line of action of the force. Therefore, this definition provides a comprehensive explanation of torque.

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  • 8. 

    Torque is also known as the force that causes

    • Zero force

    • Electrical force

    • Gravitational force

    • None of these is true.

    Correct Answer
    A. None of these is true.
    Explanation
    Torque is not related to zero force, electrical force, or gravitational force. It is a rotational force that causes an object to rotate around an axis or pivot point. It is typically measured in units of force multiplied by distance, such as Newton-meters or pound-feet. Therefore, the correct answer is "None of these is true" as none of the options accurately describe torque.

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  • 9. 

    Who was the name 'torque' given by?

    • Ancient Africans

    • Ancient Romans

    • Ancient Greece

    • Ancient China

    Correct Answer
    A. Ancient Romans
    Explanation
    The name 'torque' was given by the Ancient Romans. Torque is a type of neck ring or collar that was commonly worn by Celtic and Germanic tribes during the Iron Age. The Romans encountered these tribes and adopted the term 'torque' to refer to this specific type of jewelry. The Romans were known for their interactions and influences on various cultures, and their adoption of the term 'torque' showcases their assimilation of Celtic and Germanic traditions.

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  • 10. 

    What is the vector quantity whose dimensional formula is similar to that of energy?

    • Moment of force

    • Moment of inertia

    • Momentum

    • None of these

    Correct Answer
    A. Momentum
    Explanation
    Momentum is the correct answer because it is a vector quantity that has the same dimensional formula as energy. Both momentum and energy have the dimensions of mass times velocity squared, which is represented as [M][L]^2[T]^-2. Therefore, momentum is the vector quantity that has a dimensional formula similar to that of energy.

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  • Aug 16, 2023
    Quiz Edited by
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  • Nov 15, 2022
    Quiz Created by
    Keith Foster
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