Question #116275

A horizontal force of 24 Newton acts on a body of mass 5 kg to move it's on a horizontal surface with acceleration of 3 m per second squared then the magnitude of the friction Force =

Expert's answer

given data:

"F_{horizontal} = 24 N"

"m = 5 Kg"

"a = 3 \\frac {m} {sec^{2}}"

Net Horizontal Force

"F_{Net} = F_{horizontal} - F_{frictional}"

"F_{Net} = 24 - F_{frictional}"

Acceleration :

"a = \\frac{F_{net}} {m}"

"a = \\frac{24 - F_{frictional}} {m}"

"F_{frictional}=24- a\\times m"

"F_{frictional}=24- a\\times m"

"F_{frictional}=24- 3 \\times 5"

"F_{frictional}= 9 N"** **

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