Understanding Forces and Vectors

forces are erected only in line with

• strings

• the lines

• vector

What is the primary direction in which forces act?

• Along the line of action

• Vertically

• Horizontally

Which of the following best describes a vector?

• A quantity with only magnitude

• A quantity with both magnitude and direction

• A quantity with only direction

In physics, what is the term for a push or pull on an object?

• Momentum

• Energy

• Force

the tension on the string ----- as we drop the string

What is the term for the magnitude of a vector?

• Magnitude

• Scalar

• Direction

Which of the following is a scalar quantity?

• Velocity

• Temperature

• Force

What is the result of adding two vectors called?

• Magnitude

• Scalar

• Resultant

acceleration down a friction-less incline plain is caused by

• vector

• force

• gravity

• justus

What is the term for the rate of change of velocity?

• Speed

• Acceleration

• Momentum