Tension Physics Example 1

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Example 1

easy
A 3 kg3 \text{ kg} lamp hangs from a single vertical rope. What is the tension in the rope? Use g=9.8 m/s2g = 9.8 \text{ m/s}^2.

Solution

  1. 1
    The lamp is in static equilibrium, so the net force is zero.
  2. 2
    The tension must balance the weight: T=mg=3×9.8=29.4 NT = mg = 3 \times 9.8 = 29.4 \text{ N}
  3. 3
    The tension acts along the rope, pulling the lamp upward.

Answer

T=29.4 NT = 29.4 \text{ N}
Tension is the pulling force transmitted through a rope, string, or cable. For a single vertical rope supporting a stationary object, the tension equals the object's weight.

About Tension

The pulling force transmitted through a rope, string, or cable when it is pulled taut at both ends.

Learn more about Tension →

More Tension Examples

Example 2 medium

A [formula] block is pulled upward by a rope with an acceleration of [formula]. What is the tension

Example 3 medium

A 5 kg mass hangs from a rope. Find the tension in the rope. (Use [formula] m/su00b2)

Example 4 medium

Two blocks ([formula] and [formula]) are connected by a rope on a frictionless table. A [formula] fo

Example 5 hard

A [formula] mass hangs from a rope over a frictionless pulley, connected to a [formula] mass on the

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