JAMB - Physics (2019 - No. 6)
The value of T in the figure above is
30N
10.0N
20N
40N
解释
Tsin30 + Tsin30 =40
2Tsin30 = 40
Tsin30 = 40/2 = 20
T(\(\frac{1}{2}\)) = 20
T = 20 x 2 = 40N
The value of T in the figure above is
Tsin30 + Tsin30 =40
2Tsin30 = 40
Tsin30 = 40/2 = 20
T(\(\frac{1}{2}\)) = 20
T = 20 x 2 = 40N