A Frictionless Pendulum Clock on the Surface of the Earth

question 47

Multiple Choice

A frictionless pendulum clock on the surface of the earth has a period of 1.00 s.On a distant planet,the length of the pendulum must be shortened slightly to have a period of 1.00 s.What is true about the acceleration due to gravity on the distant planet?

• A) The gravitational acceleration on the planet is slightly greater than g.
• B) The gravitational acceleration on the planet is slightly less than g.
• C) The gravitational acceleration on the planet is equal to g.
• D) We cannot tell because we do not know the mass of the pendulum.

---

Definitions:

Texture Gradient

A visual cue used to perceive depth, where the texture of a surface appears denser as the distance from the observer increases.

Relative Size

A perceptual clue that allows the observation of the size of an object in relation to other objects in its surrounding, contributing to the perception of depth.

Reversible Figures

Optical illusions or images that can be perceived in more than one way, demonstrating the brain's interpretative processes.

Figure-Ground

A principle in perception and visual psychology, where the viewer separates an object (the figure) from its surroundings (the ground).