Impulse Physics Example 1

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Example 1

easy
A force of 200 N200 \text{ N} acts on a ball for 0.05 s0.05 \text{ s}. What is the impulse delivered to the ball?

Solution

  1. 1
    Recall the impulse formula: J=FΔtJ = F \Delta t, where FF is the applied force and Δt\Delta t is the time interval.
  2. 2
    Identify the given values: F=200 NF = 200 \text{ N}, Δt=0.05 s\Delta t = 0.05 \text{ s}.
  3. 3
    Substitute and calculate: J=200×0.05=10 N sJ = 200 \times 0.05 = 10 \text{ N s}

Answer

J=10 N sJ = 10 \text{ N s}
Impulse is the product of force and the time interval over which it acts. It equals the change in momentum of the object.

About Impulse

The product of force and time interval, equal to the resulting change in an object's momentum.

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