## 10 Questions

Which concept describes an imaginary region of space around an object where every other object experiences an attractive force?

Gravitational field

What type of motion is experienced by an object displaced by a force from an equilibrium position?

Simple harmonic motion

What is the maximum displacement a wave can move from its resting position?

Amplitude

According to Newton's law of universal gravitation, what happens to the gravitational force between two objects if the distance between them is doubled?

It is reduced to one-fourth

At which point does an object have the greatest gravitational potential energy (GPE) in a gravitational field?

The point furthest from the ground or reference point

Which type of mechanical wave occurs when the particles are displaced perpendicular to the direction the wave travels?

Transverse wave

Which of the following waves occurs when the particles are displaced parallel to the direction the wave travels?

Longitudinal wave

What type of acceleration involves a change in the rate of rotation or the direction of the axis?

Angular acceleration

What is the sum of the product of the mass of every particle with its square of the distance from the axis of rotation called?

Moment of inertia

If two objects are brought closer to each other, what will happen to their gravitational field strength?

Increase

## Study Notes

### Gravity and Motion

- The concept of gravitational field describes an imaginary region of space around an object where every other object experiences an attractive force.

### Types of Motion

- Simple harmonic motion is experienced by an object displaced by a force from an equilibrium position.

### Waves

- The maximum displacement a wave can move from its resting position is known as amplitude.

### Newton's Law of Universal Gravitation

- If the distance between two objects is doubled, the gravitational force between them is quartered.

### Gravitational Potential Energy

- An object has the greatest gravitational potential energy (GPE) at its highest point in a gravitational field.

### Types of Mechanical Waves

- Transverse waves occur when the particles are displaced perpendicular to the direction the wave travels.
- Longitudinal waves occur when the particles are displaced parallel to the direction the wave travels.

### Acceleration

- Rotational acceleration involves a change in the rate of rotation or the direction of the axis.

### Moment of Inertia

- The sum of the product of the mass of every particle with its square of the distance from the axis of rotation is called the moment of inertia.

### Gravitational Field Strength

- If two objects are brought closer to each other, their gravitational field strength increases.

Test your knowledge of physics with this quiz on waves and motion. Answer questions about density, wavelength, amplitude, and angular acceleration.

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