Question
Question: Three blocks of masses m<sub>1</sub>, m<sub>2</sub> and m<sub>3</sub> are placed on a horizontal fri...
Three blocks of masses m1, m2 and m3 are placed on a horizontal frictionless surface. A force of 40 N pulls the system then calculate the value of T, if m1 = 10kg, m2 = 6 kg, m3 = 4 kg –
A
40 N
B
20 N
C
10 N
D
5 N
Answer
20 N
Explanation
Solution
a = m1+m2+m3F = 10+6+440 = 2m/s2
40 – T = 10 × 2
T = 20 N