A 6 kg object is dropped from a height. What is the force acting on it just befo

Practice Questions

Q1
A 6 kg object is dropped from a height. What is the force acting on it just before it hits the ground?
  1. 6 N
  2. 60 N
  3. 12 N
  4. 0 N

Questions & Step-by-Step Solutions

A 6 kg object is dropped from a height. What is the force acting on it just before it hits the ground?
  • Step 1: Identify the mass of the object. In this case, the mass is 6 kg.
  • Step 2: Understand that the force acting on the object just before it hits the ground is its weight.
  • Step 3: Use the formula for weight, which is F = mg, where F is the force, m is the mass, and g is the acceleration due to gravity.
  • Step 4: Substitute the values into the formula. Here, m = 6 kg and g = 10 m/s².
  • Step 5: Calculate the force: F = 6 kg * 10 m/s² = 60 N.
  • Step 6: Conclude that the force acting on the object just before it hits the ground is 60 N.
  • Weight – The force acting on an object due to gravity, calculated as the product of mass and gravitational acceleration (F = mg).
  • Gravitational Acceleration – The acceleration due to gravity, typically approximated as 10 m/s² for simplicity in calculations.
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