Chemical Engineering Basics - Engineering

Q1:

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is

A 8.82

B 9.81

C 10.88

D 0.95

ANS:A - 8.82

To find the value of g at that location, we can use the formula for weight: W=mg where:

  • W is the weight measured by the spring balance (1.8 kgf)
  • m is the mass of the object (2 kg)
  • g is the acceleration due to gravity (in m/s22)
We rearrange the formula to solve for g: g=m/W​ Substituting the given values: g1.8kgf​/2kg First, we need to convert kgf to Newtons (N) because weight is typically measured in Newtons: 1 kgf = 9.81 N (since 1 kgf is the weight of a 1 kg mass under standard gravity) g=2kg/1.8kgf​×1kg/f9.81N​ g=2/1.8×9.81​m/s2 g≈8.82m/s2 So, the value of g at that location is approximately 8.82 m/s28.82m/s2.