6 weeks review

6 weeks review distance-time, speed-time, and inclined planes

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Multiple Choice

In this distance-time graph, what is the graph showing?

• Return to start (at a constant speed)

• Constant speed away from start

• At rest (stationary)

• Acceleration

Multiple Choice

In this distance-time graph, what is the graph showing?

• Constant speed away from start

• At rest (stationary)

• Acceleration

• Deceleration

Multiple Choice

In this distance-time graph, what is the graph showing?

• Constant high speed

• Stopped (at rest)

• Acceleration

• Deceleration

Multiple Choice

In the distance-time graph, what is happening at A?

• Stationary

• Accelerating

• Slower steady speed; moving away from the starting position

• Steady speed; returning to start position

Multiple Choice

In the distance-time graph, during which segment is the object stationary?

• A

• B

• C

• D

Multiple Choice

In this distance-time graph, the motion of the vehicle is

• Increasing speed

• At a constant speed

• Decreasing speed

• Stationary

Multiple Choice

In this distance-time graph, which line represents an object moving at a slower speed?

• A

• B

Multiple Choice

In this distance-time graph, which runner stopped for a rest?

• Albert

• Bob

• Charlie

Multiple Choice

In this distance-time graph, which line represents an object moving at a faster speed?

• A

• B

Multiple Choice

In this distance-time graph, this graph demonstrates an object that is -

• Increasing speed (acceleration)

• At a constant speed

• Decreasing speed

• Stationary

Multiple Choice

In this distance-time graph, what is this line of this graph showing?

• moving away from starting point at a constant speed

• moving back towards the starting point at a constant speed

• acceleration (getting faster)

• deceleration (getting slower)

Multiple Choice

In this distance-time graph, what is happening at E?

• Stationary

• Accelerating

• Fast steady speed; moving away from the starting position

• Returning to start position

Multiple Choice

In this distance-time graph, how do you know that A to B had a faster constant velocity than C to D?

• It was not as steep

• The AB line was steeper

• The CD line was curved

Multiple Choice

In this distance-time graph, the line with the dashes is traveling at a

• faster speed

• slower speed

Multiple Choice

In this distance-time graph, what does this graph represent?

• Constant speed

• Acceleration

• Not moving (at rest)

Multiple Choice

In this distance-time graph, what is this object doing?

• moving at a constant speed away from start and then stops

• increasing speed and then stops

• decreasing speed and then constant speed

• moving at a constant speed away from start and then constant speed

Multiple Choice

Match the description to the correct distance-time graph:

"The car is coming back."

Multiple Choice

Match the description to the correct distance-time graph:

"The car is stopped."

Multiple Choice

In this speed-time graph, what is the graph showing?

• slowing down (deceleration)

• Constant speed

• Acceleration

Multiple Choice

In this speed-time graph, what is this graph showing?

• Fast constant speed

• Decelerating

• At rest

• Accelerating

Multiple Choice

In the speed-time graph, identify the movement of the vehicle.

• Accelerating

• At rest (stopping)

• Constant speed

• Decelerating

Multiple Choice

In this speed-time graph, what is it showing?

• Acceleration

• Slow constant speed

• Deceleration

• At rest

Multiple Choice

In this speed-time graph, describe the motion between 10 and 15 seconds?

• constant speed

• at rest

• acceleration

• deceleration

Multiple Choice

In this speed-time graph, during segment Y, the object is -

• Increasing speed

• Decreasing speed

• Stationary (at rest)

• Moving at constant speed

Multiple Choice

In this speed-time graph, during which segment is the object travelling at constant speed?

• X

• Y

• Z

Multiple Choice

In this speed-time graph, during which segment is the object decreasing speed?

• X

• Y

• Z

Multiple Choice

In this speed-time graph, during which segment is the object increasing speed?

• X

• Y

• Z

Multiple Choice

In this speed-time graph, the motion of the vehicle is

• At a constant speed

• Increasing speed (acceleration)

• Decreasing speed (deceleration)

• Stationary (at rest)

Multiple Choice

In this speed-time graph, the motion of the vehicle is

• At a constant speed

• Increasing speed

• Decreasing speed

• at rest (stationary)

Multiple Choice

In this speed-time graph, what happened during B to C point?

• deceleration

• constant speed

• at rest

• acceleration

Multiple Choice

In this speed-time graph, what happened during C to D point?

• not moving

• increasing speed at a constant rate

• moving at a constant speed

• moving at 0 m/s² acceleration

Multiple Choice

In this speed-time graph, what is represented by this graph?

• constant speed

• not moving

• speed increasing

• speed increasing at a constant rate

Multiple Choice

In this speed-time graph, what happened during E to F point?

• not moving

• increasing speed at a constant rate

• constant speed

• acceleration

Multiple Choice

In this speed-time graph, what is happening in this graph from point A to B?

• The object is accelerating.

• The object is not moving.

• The object is decelerating.

• The object is moving at a constant speed.

Multiple Choice

What is a disadvantage of using a longer inclined plane to lift a heavy object?

• The object must be moved a greater distance.

• It takes less effort to move the object.

• Many objects are difficult to lift straight up.

• Heavy object usually take up more space.

Multiple Choice

Which inclined plane requires the most effort to push the ball to the top?

Multiple Choice

What happens as the incline increases in distance?

• effort increases

• effort decreases (less effort with a longer inclined plane)

• effort stays the same

Multiple Choice

Why is an inclined plane an example of a simple machine?

• because it is a machine

• because it makes work harder

• because it makes the work easier

• because it sounds cool

Multiple Choice

How does distance change the effort when using an inclined plane?

• as distance increases, effort decreases

• as distance decreases, effort decreases

• as distance increases, effort increases

• nothing, they both stay the same

Multiple Choice

What is a disadvantage of using a longer inclined plane to lift a heavy object?

• The object must be moved a greater distance.

• It takes less effort to move the object.

• Many objects are difficult to lift straight up.

• Heavy object usually take up more space.

Mechanical Advantage

The ideal mechanical advantage (IMA) of an inclined plane is the length of the incline divided by the vertical rise, the so-called run-to-rise ratio

Multiple Select

select all of the inclined planes

Multiple Select

Is a staircase an inclined plane?

• yes

• no