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Find the reading of te spring balance as shown n the arrangemnt. Given m=2.5kg. Assume all surfaces of contact are smooth. g=10m/s^2, ang of inclination= 37 degrees

Find the reading of te spring balance as shown n the arrangemnt. Given m=2.5kg. Assume all surfaces of contact are smooth. g=10m/s^2, ang of inclination= 37 degrees

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Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Draw the FBDs of wedge and mass m  separately.
For m mass the Normal force let N be exerted by wedge.
components of N then balancing with mg forces are = >
N = mgcos37
 
Wedge FBD->
kx = Ncos37
put N value from m block diagram we get,
kx = (mgcos37)*cos37 = > 16mg/25
x = 16mg/25k would be the final compression in the spring.
 

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