Welcome to Newton's Laws and Applications
Start with a lecture and proceed by doing practice!

a) 2.5 m/s^2
b) see video, 10 N
c) see video, to the right, force F is larger
d) 25 N
a) see video
b) 40/3 m/s^2
c) 61.2 N
d) 88.5 N
T1=296 N, T2=163 N, T3=325 N (to 3 s.f.)
a) Fx>19ю6 N
b) F= -8g
c) see video
a) M=3 msinӨ
b) T1=2mgsinӨ, T2=3mgsinӨ
c) a=gsinӨ /1+2sinӨ
d) see video
a) 0.93 m/s^2
b) 6.1 cm
a) gsinӨ
b) 3.13 m/s
c) 1.36 m
d) 3.63 s
e) no
a) see video
b) 9.8 N, 0.58 m/s^2
a) 2.20 m/s^2
b) 27.4 N
0.69 m/s^2
1.25 m
a) 6.19 s
b) no
a) see video, 470 N
b) 164 N
a) 12 N
b) 15 N
a) 21.1 N
b) 12.7 N
a=g/Mu, block will rest
cos^2B
a) see video
b) Mu=3/5 tanα=0.45
a) 0.2 m/s^2
b) 4.32 N
c) 4.1 cm
a) 5.9 N
b) 3.9 N
see video
1.96 m/s^2, 0.588 N, 1.176 N
0.5 N, 1 N
k*mg*cosα / 4
a) 3.2 m/s^2
b) 5.28 N
c) 0.751
d) tensions and accelerations were equal (see video)
a) 7.5 N
b) 12 N
21.7 N
a) see video
b) N=1.22 mg
c) 0.7 mg
V(t)=mg/k*(2e^-kt/m+1)
a) v(t)=V0-k/m*√v0 t+k^2/4m^2 t^2, x(t)=v0t-√v0 kt^2/2m + k^2t^3/ 12m^2
b) 2m√v0 / k
c) 2mv0^3/2 / 3k
F=(M+m)g*tanα
32.1 N