Mechanical Energy

Mechanical Energy

8th - 10th Grade

15 Qs

quiz-placeholder

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Mechanical Energy

Mechanical Energy

Assessment

Quiz

Physics

8th - 10th Grade

Easy

Created by

Wayground Content

Used 12+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is Mechanical Energy?

Mechanical Energy is the sum of potential energy and kinetic energy in a system.

Mechanical Energy is the energy stored in an object due to its position.

Mechanical Energy is the energy associated with the motion of an object only.

Mechanical Energy is the energy that can be converted into heat.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the principle of conservation of mechanical energy?

The principle states that in a closed system, the total mechanical energy (GPE + KE) remains constant if only conservative forces are acting.

The principle states that energy can be created and destroyed in a closed system.

The principle states that mechanical energy is always converted into thermal energy in a closed system.

The principle states that the total energy in a closed system is always increasing.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How does mass affect GPE?

GPE is inversely proportional to mass; if mass increases, GPE decreases.

GPE is directly proportional to mass; if mass increases, GPE increases.

Mass has no effect on GPE; it remains constant regardless of mass.

GPE is proportional to the square of mass; if mass increases, GPE increases exponentially.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the unit of energy in the International System of Units (SI)?

Calorie (cal)

Joule (J)

Watt (W)

Electronvolt (eV)

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Define Gravitational Potential Energy (GPE).

Gravitational Potential Energy (GPE) is the energy an object possesses due to its position in a gravitational field, calculated as GPE = mgh (mass x gravity x height).

Gravitational Potential Energy (GPE) is the energy an object has due to its speed and direction of motion.

Gravitational Potential Energy (GPE) is the energy stored in an object due to its temperature and thermal state.

Gravitational Potential Energy (GPE) is the energy an object possesses due to its mass and the force of friction acting on it.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

At what point is GPE maximum in a free-falling object?

At the highest point of the object's path.

At the lowest point of the object's path.

Halfway down the object's path.

When the object is in motion.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the relationship between GPE and height?

GPE decreases as height increases, assuming mass and gravity remain constant.

GPE remains constant regardless of height changes.

GPE increases as height increases, assuming mass and gravity remain constant.

GPE is independent of height and depends only on mass.

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