physics unit 1

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Last updated 4:05 PM on 10/1/26
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16 Terms

1
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ax=

gsinθ

2
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sliding block FN=

mgcosθ

3
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sliding block Fg=

mgcosθ

4
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sliding block sigma Fx=

Fg

5
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upward acceleration

will be heavier

6
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headwind means the ground speed will

decrease

7
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when a and v are the same sign the object is _________

speeding up

8
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remember to

convert units when necessary and dont forget to square numbers when necessary

9
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zero launch angle notes

  • horizontal (x) acceleration (ax)=0

  • vertical (y) acceleration(ay)=-9.8


10
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vectors Fx=

Fcosθ

11
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way to find angle

tan-1(y/x)

12
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constant non zero force means

  • constant a

  • changing velocity


13
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newtons laws: if m2 is driving force then a=

m2g/m1+m2

14
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newtons laws T=

T=m1ax

15
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find T with friction

T=m1ax+uk m1g

16
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pulley questions

  1. a=Fnet/m → derive → find a

  2. find T using a

  3. check that all numbers add up