A constant retarding force of 50 N is supplied to a body of 70 kgmoving initially with a speed of 15 m/s . How long does the bodytake to stop ?

Question

A constant retarding force of 50 N is supplied to a body of 70 kgmoving initially with a speed of 15 m/s . How long does the bodytake to stop ?
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Solution 1

Sure, let's solve this step by step:

Step 1: Identify the given values.

  • Force (F) = -50 N (It's negative because it's a retarding force)
  • Mass (m) = 70 kg
  • Initial speed (u) = 15 m/s
  • Final speed (v) = 0 m/s (The body stops)

Step 2: Use Newton's second law of motion to find the acceleration.

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