Final Review Unit 1

When riding a free-fall ride at an amusement park, how do the acceleration of the riders compare?

• The riders are not accelerating.

• The riders with more mass have a higher acceleration.

• The riders with less mass have a higher acceleration.

• All riders have the same acceleration.

What does the slope of a position-time graph represent?

• Time

• Velocity

• Position

• Displacement

A vector that represents the sum of two or more vectors is called the _______

• magnitude

• resultant

• distance

• normal force

What does slope on a velocity-time graph represent?

• acceleration

• velocity

• time

• instantaneous acceleration

If a car's acceleration is in the same direction as its velocity, what happens to the car's speed?

• Speed doesn't change

• Speed increases

• Speed decreases

As velocity increases, an object's displacement _______

• decreases for each time interval

• increases for each time interval

• remains the same for each time interval

• cannot be determined

Which of the following is a scalar?

• weight

• mass

• velocity

• acceleration

An objects motion when gravity is the only significant force acting on it

• acceleration

• average velocity

• displacement

• free-fall

• instantaneous acceleration

A change in position having both magnitude and direction; is equal to the final position minus the initial position

• acceleration

• average velocity

• displacement

• free-fall

• instantaneous acceleration

A measure of size

• acceleration

• distance

• displacement

• magnitude

• origin