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End Of Chapter Exercises

Exercise 20.5See solutions

A point is acted on by two forces in equilibrium. The forces

  1. have equal magnitudes and directions.

  2. have equal magnitudes but opposite directions.

  3. act perpendicular to each other.

  4. act in the same direction.

Which of the following contains two vectors and a scalar?

  1. distance, acceleration, speed

  2. displacement, velocity, acceleration

  3. distance, mass, speed

  4. displacement, speed, velocity

Two vectors act on the same point. What should the angle between them be so that a maximum resultant is obtained?

  1. cannot tell

Two forces, and , act on a point. Which one of the following cannot be the magnitude of a resultant?

See solutions