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41 votes
41 votes
Find the ( mass m ) when system is equilibrium help me pleasee this choice is

1. 4 kg
2. 6.25 kg
3. 10 kg
4. 12.5 kg
5. 25 kg
please show solution ​

Find the ( mass m ) when system is equilibrium help me pleasee this choice is 1. 4 kg-example-1
User Mdec
by
2.7k points

1 Answer

22 votes
22 votes

Answer:

5. 25 [kg].

Step-by-step explanation:

1) the final ratio is:

m_20kg *g=m*g/cos37°; ⇒ m= m_20kg / cos37°;

2) answer is:

m=20/0.8=25 [kg].

User Mikegrb
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3.4k points