Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Weightlessness01:01

Weightlessness

7.1K
When an object is dropped, it accelerates toward the center of the Earth. If the net external force on the object is its weight, it is said to be in free fall; that is, the only force acting on the object is gravity. Galileo was instrumental in showing that, in the absence of air resistance, all objects fall with the same acceleration g. However, when objects on the Earth fall downward, they are never truly in free fall, because there is always some upward resistance force from the air acting...
7.1K
Rocket Propulsion in Gravitational Field - I01:20

Rocket Propulsion in Gravitational Field - I

3.4K
Rockets range in size from small fireworks that ordinary people use to the enormous Saturn V that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses are explained by the same physical principle: Newton's third law of motion. The matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains.
The motion of a rocket in space changes its velocity (and hence its...
3.4K
Acceleration due to Gravity on Other Planets01:24

Acceleration due to Gravity on Other Planets

5.0K
The gravitational acceleration of an object near the Earth's surface is called the acceleration due to gravity. It can be measured by conducting simple experiments on Earth. However, such an experiment is impossible to conduct on the surface of other planets.
Astronomical observations are thus used to measure the acceleration due to gravity on other planets. This can be determined by observing the effect of a planet's gravity on objects close to it. The crucial factor that helps in this...
5.0K
Rocket Propulsion in Gravitational Field - II01:03

Rocket Propulsion in Gravitational Field - II

2.8K
A rocket's velocity in the presence of a gravitational field is decreased by the amount of force exerted by Earth's gravitational field, which opposes the motion of the rocket. If we consider thrust, that is, the force exerted on a rocket by the exhaust gases, then a rocket's thrust is greater in outer space than in the atmosphere or on a launch pad. In fact, gases are easier to expel in a vacuum.
A rocket's acceleration depends on three major factors, consistent with the...
2.8K
Principle of Equivalence01:18

Principle of Equivalence

2.6K
According to Albert Einstein (1897-1955), free-falling and feeling weightless are intrinsically linked. If a person were in free-fall under gravity, for example, diving towards the Earth from an airplane, they would feel completely weightless. Similarly, a person descending in a lift may feel partially weightless. Broadly speaking, it is assumed that an object in a uniform gravitational field and an object undergoing constant acceleration in the absence of gravity are under the same...
2.6K
Measuring Acceleration Due to Gravity01:12

Measuring Acceleration Due to Gravity

1.3K
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die out.
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

SpaceMed: Immersive interdisciplinary academic training for the future of human space exploration.

Experimental physiology·2026
Same author

Perception of body angular displacement while free-floating in microgravity during parabolic flight.

European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·2026
Same author

Author Correction: Spaceflight Standard Measures is a multidisciplinary study that systematically monitors risks to astronaut health and performance.

NPJ microgravity·2026
Same author

Combined "omics" and physiological approaches highlight the roles of the GABA shunt and mitochondria-related functions in rice seed longevity.

Plant physiology and biochemistry : PPB·2026
Same author

Pyrroline-5-carboxylate dehydrogenase is a key player in nitrogen metabolism in maturing seeds of Arabidopsis thaliana.

Journal of experimental botany·2026
Same author

Nitrogen-fixing symbiosis induces differential accumulation of <i>Medicago truncatula</i> leaf defence metabolites in response to pea aphid infestation.

Frontiers in plant science·2025
Same journal

Time-averaged simulated microgravity ameliorates tau-induced deficit in Drosophila melanogaster.

NPJ microgravity·2026
Same journal

The impact of 14-day head-down bed rest with or without an exercise countermeasure on standing balance control: a randomized controlled trial.

NPJ microgravity·2026
Same journal

Simulated microgravity weakens wheat root microbial network against pathogens.

NPJ microgravity·2026
Same journal

Effects of the space environment on articular cartilage homeostasis: a review.

NPJ microgravity·2026
Same journal

Communication delay increases procedure time and instructor task load during simulated suturing by novices.

NPJ microgravity·2026
Same journal

Long-term molecular effects of <sup>16</sup>O-ion exposure in rat brain and implications for space radiation risk.

NPJ microgravity·2026
See all related articles

Related Experiment Video

Updated: Feb 17, 2026

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
13:59

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

Published on: November 13, 2014

14.2K

International roadmap for artificial gravity research.

Gilles Clément1

  • 1KBRwyle, 2400 NASA Parkway, Houston, TX 77030 USA.

NPJ Microgravity
|November 30, 2017
PubMed
Summary
This summary is machine-generated.

Artificial gravity (AG) research is crucial for mitigating microgravity

More Related Videos

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
12:29

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

Published on: May 23, 2011

20.1K
Mimicking a Space Mission to Mars Using Hindlimb Unloading and Partial Weight Bearing in Rats
05:54

Mimicking a Space Mission to Mars Using Hindlimb Unloading and Partial Weight Bearing in Rats

Published on: April 4, 2019

11.4K

Related Experiment Videos

Last Updated: Feb 17, 2026

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
13:59

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

Published on: November 13, 2014

14.2K
Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
12:29

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

Published on: May 23, 2011

20.1K
Mimicking a Space Mission to Mars Using Hindlimb Unloading and Partial Weight Bearing in Rats
05:54

Mimicking a Space Mission to Mars Using Hindlimb Unloading and Partial Weight Bearing in Rats

Published on: April 4, 2019

11.4K

Area of Science:

  • Space Medicine
  • Human Physiology
  • Aerospace Engineering

Background:

  • Long-duration spaceflight poses significant health risks due to microgravity.
  • Mitigating these effects is essential for future exploration-class missions.

Purpose of the Study:

  • To summarize current and future research for artificial gravity (AG) implementation.
  • To define requirements for AG systems on exploration-class vehicles.

Main Methods:

  • Review of NASA and international partners' AG roadmap.
  • Inclusion of ground-based and space-based projects.
  • Utilizing human, animal, and cell models.

Main Results:

  • A collaborative framework for AG research is established.
  • AG facilities worldwide are leveraged.
  • Interdisciplinary input from experts is integrated.

Conclusions:

  • AG implementation requires a coordinated, multi-faceted research approach.
  • The AG roadmap provides a structured plan for future development.
  • Addressing microgravity's physiological effects is key for long-duration space travel.