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A body is moving with a constant velocity. What is the net force acting on it?

medium Q8 of 15
General Science - Physics (Basics)
A body is moving with a constant velocity. What is the net force acting on it?
AZero
BEqual to mass × velocity
CEqual to mass × acceleration
DEqual to gravitational force
Step-by-Step Solution
  1. Step 1: Recall Newton's First Law

    If velocity is constant, acceleration is zero, so net force must be zero.
  2. Step 2: Analyze options

    Only zero net force corresponds to constant velocity. Mass × velocity is momentum, not force. Mass × acceleration is force but acceleration is zero here.
  3. Final Answer:

    Zero → Option A
  4. Quick Check:

    Net force = mass × acceleration = 0 when velocity constant ✅
Quick Trick: Constant velocity means zero acceleration and zero net force.
Common Mistakes:
MISTAKES
  • Confusing velocity with acceleration or force.
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