shuebabdullahi1994
shuebabdullahi1994 shuebabdullahi1994
  • 21-03-2021
  • Physics
contestada

if mass of an object is decreased to half and acting force is reduced by quarter the acceleration of its motion​

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 26-03-2021

Answer:

See explanations below

Explanation:

According to Newtons second law of motion

F = mass * acceleration

F = ma

If mass of an object is decreased to half, then m₂ = 1/2 m

If acting force is reduced by quarter, then F₂ = 3/4 F

F₂ = m₂a₂

3/4F = 1/2m a₂

Divide both expressions

(3/4F)/F = (1/2m)a₂/ma

3/4 = 1/2a₂/a

3/4 = a₂/2a

4a₂ = 6a

2a₂ = 3a

a₂ = 3/2 a

Hence the acceleration of its motion will be one and a half of its original acceleration.

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