Calculate force with speed and mass....

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Discussion Overview

The discussion revolves around the calculation of force in Newtons using speed and distance, specifically in the context of a hand applying force to a ball weighing approximately 3 kg. Participants explore the necessary parameters for such a calculation, including impulse and time of contact.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant questions the clarity of the initial inquiry regarding what force is being calculated.
  • Another participant specifies that the force in question pertains to the hand acting on the ball.
  • A participant notes that to calculate the force accurately, the time of contact between the hand and the ball must be known or estimated, in addition to distance and speed.
  • It is suggested that basic kinematics could be applied to find acceleration based on the distance traveled by the hand.

Areas of Agreement / Disagreement

Participants generally agree on the need for additional parameters to calculate force, but there is no consensus on the specifics of the calculation or the definitions involved.

Contextual Notes

The discussion highlights the dependence on the time of contact and the potential need for estimations, which are not resolved within the conversation.

Roderich Chenxu
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Hi forumners, is it possible to calculate force in Newtons given speed and distance? Or if I have to, I would say the ball weighs approximately 3kg?

Capture_2017_01_17_21_56_09.jpg


Thank you in advance.
 
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Your question is vague. Calculate the force of WHAT?

Zz.
 
Hi ZapperZ, calculating on the force of hand acting on the ball. Is this information enough?
 
Roderich Chenxu said:
Hi ZapperZ, calculating on the force of hand acting on the ball. Is this information enough?

Yes and no. We now know what force to estimate, but if you look at the concept of "Impulse", you'll notice that another parameter needs to be known: the time that the ball is in contact with the hand while it is being pushed. Either this is known, or it needs to be estimated.

Although, I suppose if we apply basic kinematics, we will be able to find the acceleration, given the distance traveled by the hand.

Zz.
 

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