Two blocks each of mass 3 kg are connected by a light called and placed on a rough horizontal surface when a horizontal force of 20 newton is applied on a block an acceleration of 0.50 metre per second square is produced in each block find the tension in the string and the frictional force which is same on the two blocks
Answers
The frictional force on blocks is 10 N
Step-by-step explanation:
Total external force = 6 x 0.5 = 3 N
Net force = 20 - 2f = 3
=> - 2f = 3 - 20
2f = 17
f = 8.5 N
Now for block T - f = 3 x 0.5 = 1.5
T = 1.5 + f
Now putting the value of f.
T = 1.5 + 8.5 = 10 N
Hence the frictional force on blocks is 10 N
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Friction Q. A block of mass 5kg is on a rough horizontal surface and is at rest. Now a force of 24N is imparted to it with negligible impulse. If the coefficient of kinetic friction is 0.4 and g=9.8 m/s, then the acceleration of the block is 0.88m/s ?
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Answer:
The frictional force on blocks is 10 N
Step-by-step explanation:
Total external force = 6 x 0.5 = 3 N
Net force = 20 - 2f = 3
=> - 2f = 3 - 20
2f = 17
f = 8.5 N
Now for block T - f = 3 x 0.5 = 1.5
T = 1.5 + f
Now putting the value of f.
T = 1.5 + 8.5 = 10 N
Hence the frictional force on blocks is 10 N
Step-by-step explanation:
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