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A dynamometer D is attached to two bodies of masses M =6 kg and m=4 kg.Forces F =20 N and f=10 N are applied on the masses.What will be the reading of the dynamometer?

A dynamometer D is attached to two bodies of masses M=6 kg and m=4 kg.Forces F=20 N and f=10 N are applied on the masses.What will be the reading of the dynamometer?

Grade:

3 Answers

Avishek Chakrabarty
26 Points
5 years ago
For the mass of 6kg –  20 – D = 6a ….... (i)
For the mass of 4kg –  D – 10 = 4a ….....(ii)
Solving (i) and (ii) we get a = 1m/s
Putting the value of a in (ii) we get D – 10 = 4(1)
Therefore D = 14N
Abhinav Anand
35 Points
3 years ago
50-D=6a........(1)D-30=4a........(2)(2)-(1)=50-D-D+30=2a.....(3)F=ma50-30=10aa=2Putting a=2 in Eq (3)=80-2D=4D=38N
ankit singh
askIITians Faculty 614 Points
9 months ago
 
 
For the mass of 6kg –  20 – D = 6a ….... (i)
For the mass of 4kg –  D – 10 = 4a ….....(ii)
Solving (i) and (ii) we get a = 1m/s
Putting the value of a in (ii) we get D – 10 = 4(1)
Therefore D = 14N

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