Chapter 2 Review

​Chapter 2 Review

By Katie Fehrenbach

Scalar vs Vector Quantities

Multiple Choice

I have 5 apples is an example of....

• A scalar

• A vector

Multiple Choice

Scalars have ____ but no ____

• Magnitude -

  Direction

• Direction - Magnitude

• Speed - Space

• Measurement - scale

Multiple Choice

Vectors have ____ and ____

• Magnitude - Direction

• Value - Speed

• Acceleration - Mass

• Mass - volume

Multiple Choice

Speed is a ____ quantity

• Scalar

• Vector

Multiple Choice

Velocity is a ____ quantity

• Scalar

• Vector

Multiple Choice

Acceleration is a ____

• Vector

• Scalar

Multiple Choice

Mass is a ____ quantity

• Scalar

• Vector

Distance vs Displacement

Multiple Choice

The sum of all movements from start to the end of motion is best described as____.

• distance

• displacement

• motion

• donkey

Multiple Choice

The change in an objects position from the final position to initial position.

• displacement

• distance

• motion

• reference point

Multiple Choice

A man walks 5 miles forwards, 6 miles backwards and then 2 miles forwards. What is his displacement?

• 1 mile forward

• 13 miles

• 3 miles forward

• 1 mile

Multiple Choice

A boy biked 20 m going east and turn right covering another 15 m. What is the total distance covered?

• 30 m

• 30 m north

• 35 m

• 35 m north

Multiple Choice

A man walks northward 100 m and turned left another 200 m. What is the total distance covered?

• 300 m NW

• 300 m N

• 300 N

• 300 m

Multiple Choice

A car drives 84 meters forward. It's displacement and distance would be the same.

• True, they are both ONLY 84 meters.

• False, the displacement would be 84 meters forward and distance would only be 84 meters.

Calculating Speed

Multiple Choice

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Multiple Choice

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Multiple Choice

Alan travels 100 km in 5hrs. Find his average speed in km/h

• 5km/hr
• 10km/hr
• 50km/hr
• 20km/hr

Multiple Choice

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

Position vs Time Graphs

Multiple Choice

When was Marie driving the fastest?

• C to D

• D to E

• E to F

Multiple Choice

During what period of time was Marie stopped?

• 0-5 minutes

• 5-10 minutes

• 10-25 minutes

• 25-30 minutes

Multiple Choice

What could account for Marie’s motion at 27 minutes?

• She was late so she broke the speed limit

• She forgot something at home and ran back to get it

• She was stopped at a red light

• She was driving across the top of a hill

Multiple Choice

How does her speed at 3 minutes compare with her speed at 7 minutes?

• She is driving faster at 3 minutes.

• She is driving faster at 7 minutes

• She is driving forward at 3 minutes and back at 7.

• She is moving up at 3 minutes and down at 7 minutes

Multiple Choice

How far away is Marie's work from her house?

• 40 mi

• 25 mi

• 20 mi

• 5 mi

Multiple Choice

from 3rd second to 5th second, the object is

• moving at a constant speed

• speeding up

• not moving

• slowing down

Multiple Choice

What is happening at E?

• Stationary

• Accelerating

• Fast steady speed; moving away from the starting position

• Steady speed; returning to start position

Multiple Choice

Which of the following graphs best represents free fall motion?

Acceleration

Multiple Choice

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7 m/s²

• 7 m/s²

• 14 m/s²

• none of the above

Multiple Choice

A car accelerates from 15 m/s to 60 m/s in 30 seconds.  What is its acceleration?

• 2 m/s²

• 3 m/s²

• 1.5 m/s²

• 0.75 m/s²

Multiple Choice

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -75 m/s²

• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi/hr²

Multiple Choice

A bicyclist begins moving with a velocity of 10 m/s and then decreases his velocity to 6 m/s in 2 seconds. What is the acceleration of the bicyclist?

• 4 m/s²
• -4 m/s²
• 2 m/s²
• -2 m/s²

Multiple Choice

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• All of the above 

Multiple Choice

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

Multiple Choice

A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?

• 0 m/s
• 40 m/s²
• -40 m/s²
• 40 m/s

Multiple Choice

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

• kinematics

• free fall

• mechanics

• velocity

Multiple Choice

The standard acceleration due to gravity (or standard acceleration of free fall),is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as:

• 9.8 m/s.

• 9.8 m.

• 9.8 m/s².

• 9.8 s.

Velocity vs Time Graphs

Multiple Choice

Use the graph above and pick the most accurate description of the object's motion

• object is moving at constant speed

• object is speeding up

• object is at rest

• object is slowing down

Multiple Choice

Use the picture above to choose the most accurate description of the object's motion

• object is at rest

• object is slowing down

• object is moving at a constant speed

• object is speeding up

Multiple Choice

At what time does the object switch directions?

• 15 minutes

• 40 minutes

• 10 minutes

• 30 minutes

Multiple Choice

Use the picture to choose the most accurate description of the object's motion

• object is moving at constant speed in the positive direction

• object is speeding up in the negative direction

• object is speeding up in the positive direction

• object is slowing down in the negative direction

Multiple Select

Which of the following graphs don't show an object moving in the positive direction?

Multiple Choice

Use the picture above to choose the most accurate description of the object's motion

• object is speeding up in the negative direction

• object is slowing down in the negative direction

• object is moving at constant speed in the negative direction

• object slowing down in the positive direction