How do you put force in a projectile equation

  • #1
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Main Question or Discussion Point

Hi. I need to put the formula F=ma into the projectile formula
displacement =(initial velocity)time+acceleration(time2)/2

I've already tried it but can't. Please help me
Thanks.
 

Answers and Replies

  • #2
berkeman
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Hi. I need to put the formula F=ma into the projectile formula
displacement =(initial velocity)time+acceleration(time2)/2

I've already tried it but can't. Please help me
Thanks.
Welcome to the PF.

Sure you can. The "a" in your first equation is the "acceleration" in your second equation.
 
  • #3
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Welcome to the PF.

Sure you can. The "a" in your first equation is the "acceleration" in your second equation.
That acceleration is from gravity and I want to know the force taken to throw an object
 
  • #4
berkeman
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That acceleration is from gravity and I want to know the force taken to throw an object
So you write equations in both the x and y directions. Depending on the angle that the projectile is thrown, it may have both x and y components of acceleration that give the projectile initial velocity in the x and y directions. After that, only the acceleration of gravity affects the projectile in the y direction (assuming no air resistance effects).
 

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