Dot Product

The dot product is a way to multiply two...

• Vectors

• Scalars

The end result of the dot product is a...

• Vector

• Scalar

Which formula for evaluating the dot product is correct?

• Formula 1

• Formula 2

• Both

• Neither

What do the variables mean in this formula?

• Weight, Force, Displacement

• Work, Force, Displacement

• Weight, Freight, Diversity

• Work, Fill level, Depth

The dot product of perpendicular vectors is

The dot product of parallel vectors is

Find the dot product between vectors m = (-4, 0, 4) and n = (2, 3, -5).

A force of 21.2 N is applied to a cart to pull it a distance of 1.39 m up an inclined plane at a constant speed. The force is exerted parallel to the incline. Determine the amount of work done (in Joules) upon the cart by the applied force.

A force is applied to pull a cart up an inclined plane at a constant speed to the same final height. The force is exerted parallel to the inclined plane. As the angle of the incline is increased, the amount of force required to do the task ______ and the work done when doing the task ______.

• increases, increases

• remains unchanged, increases

• increases, remains unchanged

• decreases, decreases

• remains unchanged, decreases

Three different angles are used to pull the same cart up an inclined plane at a constant speed to the same final height. Which trial requires the greatest amount of force?

• Trial 1

• Trial 2

• Trial 3

• It's the same force for all three trials.