Solving Force Needed for Moving Body from Rest at 5m/s for 15m in 2s

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SUMMARY

The discussion centers on calculating the force required to move a body from rest to a velocity of 5 m/s over a distance of 15 m in 2 seconds, assuming no friction. The net force equation, Fnet = ma, is highlighted, emphasizing that the mass of the body is essential for determining the actual force. Participants agree that without the mass, one cannot compute a specific force value, drawing analogies to different objects requiring varying forces to achieve the same speed.

PREREQUISITES
  • Understanding of Newton's Second Law (Fnet = ma)
  • Basic knowledge of kinematics (velocity, distance, time)
  • Concept of mass in physics
  • Frictionless motion principles
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  • Research how to calculate force using mass and acceleration
  • Explore kinematic equations for motion analysis
  • Study the effects of friction on force calculations
  • Learn about different mass scenarios in force applications
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Students in physics, educators teaching mechanics, and anyone interested in understanding the dynamics of force and motion in a frictionless environment.

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Homework Statement


What force is it needed to move a body from rest at velocity of 5m/s on distance 15m, for time of 2s. Assume no friction.

Homework Equations


##F_{net}=ma##

The Attempt at a Solution


Can I solve this problem without the mass of the body, if yes, what formula is needed? thanks!

Homework Statement


Homework Equations


The Attempt at a Solution

 
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If you want an actual number for the force, then you need mass. Think about pushing a truck on ice (zero friction) versus pushing a small car. Wouldn't it require more force for the larger object to attain the same speed?
 

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