Motion of a Body: Can Acceleration Cause Motion?

  • Thread starter Thread starter Amrutha.phy
  • Start date Start date
  • Tags Tags
    Body Motion
AI Thread Summary
A body with zero initial velocity can indeed begin to move solely due to acceleration. Acceleration is defined as a change in velocity, meaning that once acceleration is applied, the body will have a non-zero velocity. For example, dropping a ball demonstrates how acceleration can initiate motion from rest. Additionally, a motionless body can experience angular acceleration without linear movement in a zero-gravity environment. Therefore, acceleration can cause motion even when initial velocity is absent.
Amrutha.phy
Messages
21
Reaction score
0
Can a body which has no initial velocity move just with acceleration?
 
Physics news on Phys.org
Amrutha.phy said:
Can a body which has no initial velocity move just with acceleration?
Not sure what you mean. Once it starts moving it will have both acceleration and velocity.

You can certainly have a body with zero initial velocity begin moving under an acceleration. Drop a ball.
 
Amrutha.phy said:
Can a body which has no initial velocity move just with acceleration?
"Acceleration" means "change in velocity. As long as it has acceleration, even if it has no initial velocity it will immediately have non-zero velocity.
 
A motionless freely-floating body can also spin without moving when given only angular acceleration (in zero gravity). See

[added] Angular acceleration requires a pair of forces (a couple).
 
Last edited by a moderator:
Thread 'Is 'Velocity of Transport' a Recognized Term in English Mechanics Literature?'

Thread 'Is 'Velocity of Transport' a Recognized Term in English Mechanics Literature?'

Here are two fragments from Banach's monograph in Mechanics I have never seen the term <<velocity of transport>> in English texts. Actually I have never seen this term being named somehow in English. This term has a name in Russian books. I looked through the original Banach's text in Polish and there is a Polish name for this term. It is a little bit surprising that the Polish name differs from the Russian one and also differs from this English translation. My question is: Is there...
View full post »

Thread 'Inclined treadmills and Galilean Invariance'

This has been discussed many times on PF, and will likely come up again, so the video might come handy. Previous threads: https://www.physicsforums.com/threads/is-a-treadmill-incline-just-a-marketing-gimmick.937725/ https://www.physicsforums.com/threads/work-done-running-on-an-inclined-treadmill.927825/ https://www.physicsforums.com/threads/how-do-we-calculate-the-energy-we-used-to-do-something.1052162/
View full post »

Thread 'Is calling fictitious forces "not real" just about terminology?'

Hi there, im studying nanoscience at the university in Basel. Today I looked at the topic of intertial and non-inertial reference frames and the existence of fictitious forces. I understand that you call forces real in physics if they appear in interplay. Meaning that a force is real when there is the "actio" partner to the "reactio" partner. If this condition is not satisfied the force is not real. I also understand that if you specifically look at non-inertial reference frames you can...
View full post »

Similar threads

B Static friction needed for rolling without slipping
Replies
4
Views
2K
B Is simple harmonic motion also a pure translatory motion?
Replies
21
Views
2K
A Rigid body motion (RBM) transformation
Replies
3
Views
1K
I Why does a free rigid body rotate only about its COM when F(ext) is applied?
Replies
7
Views
2K
B Understanding Average Velocity in Linear Motion with Constant Acceleration
Replies
1
Views
1K
Rigid body kinematic motion and rotation
Replies
13
Views
2K
Projectile motion of a two-point rigid body
Replies
8
Views
2K
B Does weight affect the acceleration of an object?
Replies
9
Views
2K
Escape Velocity and the Motion of Two Massive Bodies
Replies
4
Views
2K
Kinematics: A Complete Picture of Motion Without Causes
Replies
2
Views
2K

Hot Threads

Recent Insights

Back
Top