An active worksheet prepared by Amr Almghawish for the 9th grade Physics students

1. Forces and Motion
Revision Questions
The best way to remember the information in this chapter
is to get a pen and paper and write down your answers
By Amr Al Mghawish Ms Amal Swies
Distance - Speed - Velocity - Acceleration
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What is Distance a measure of?
What unit is Distance measured in?
What is Speed a measure of?
What unit is Speed measured in?
Which Equation connects Speed, Distance and
Time?
What is the Speed of an Object which is Stationary?
What unit is Velocity measured in?
What is the Difference between Speed and Velocity?
Which Equation connects Velocity, Distance and
Time?
An Object Travels 25 metres in 5 seconds. What is
its Velocity?
What does Constant Velocity mean?
What does Acceleration mean?
What unit is Acceleration measured in?
Which Equation connects Acceleration, Velocity and
Time?
What is Negative Acceleration sometimes called?
A Car Changes from 10 m/s to 30 m/s in 8 seconds.
What is its Acceleration?
A Bicycle moving at 10 m/s Stops in 10 seconds.
What is its Acceleration?
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2. 18
What does Constant Acceleration mean?
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Distance - Time Graphs and Velocity - Time
Graphs
19 Draw a Distance - Time graph for an Object at Rest.
Draw a Distance - Time graph for an Object with
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Constant Velocity.
Draw a Distance - Time graph for an Object with
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Acceleration.
Draw a Velocity - Time graph for an Object with
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Constant Velocity.
Draw a Velocity - Time graph for an Object with
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Constant Acceleration.
How is Total Distance Travelled calculated from a
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Velocity - Time graph?
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Force - Balanced - Unbalanced - Mass - Weight
- Gravity
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What is a Force?
What unit is Force measured in?
What are Balanced Forces?
How does an Object Move if the Forces on it are
Balanced?
How does an Object Move if the Forces on it are
Unbalanced?
Which Equation connects Acceleration, Force and
Mass?
What is the Effect of Acceleration on an Object which
is not Moving?
What is the Effect of Acceleration on an Object which
is Moving?
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3. 33
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What does Newton's Third Law of Motion say?
What is Mass?
What unit is Mass measured in?
What is Gravity?
How does Gravity depend on Mass?
How does Gravity depend on the Distance between
Masses?
What is Weight?
What unit is Weight measured in?
Which Equation connects Weight, Gravity and Mass?
How do you convert Weight into Mass?
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Motion - Rocket - Falling Object
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When a Rocket moves Upwards, what is the Upward
Force called?
When a Rocket moves Upwards, what is the
Downward Force called?
Where does the Downward Force come from?
When a Rocket takes off, why does it Accelerate
Upwards?
How do the Forces on a Rocket become Balanced?
What Acceleration has a Rocket moving at 240 m/s 2
minutes after take off?
What Force was needed to give the Rocket this
Acceleration?
Describe the Motion of a Falling Object.
What does Terminal Velocity mean?
An Object Falls from a Cliff. How fast will it be
moving after 3 seconds?
Do Heavier Objects Fall Faster than Light ones?
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4. Motion - Car - Stopping Distance
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What are the Forces on a Stationary Car?
What are the Extra Forces on a Moving Car?
How do the Tyres make the Car Move Forwards?
When Stopping a Car, what is the Thinking
Distance?
How can the Thinking Distance be Reduced?
When Stopping a Car, what is the Braking Distance?
How does the Braking Distance of a Car change with
an increase in Velocity?
Does Doubling the Velocity of a Car Double the
Braking Distance?
How does the Braking Distance of a Car change with
an increase in Mass?
Does Doubling the Mass of a Car Double the Braking
Distance?
Why does the Braking Distance of a Car increase if
the Road is Wet or Icy?
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Motion - Momentum
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What are the Units of Momentum called?
What happens to the Momentum if we Double the
Mass?
What happens to the Momentum if we Double the
Velocity?
What does the Law of Conservation of Momentum
state?
What Two Things stay the Same in an Elastic
Collision?
An Elastic Collision happens between what objects?
What Decreases in an Inelastic Collision?
Give an Example of an Inelastic Collision.
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5. 73
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Is the Momentum always Zero after an Explosion?
Give Two Examples of Car Safety Features.
Do Car Safety Features make the Change in
Momentum Quicker or Slower?
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Friction - Density
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What is Friction?
In which Direction does Friction act?
Where does Friction occur in Solids?
What does the amount of Friction in Solids depend
on?
Where does Friction occur in a Liquid or Gas?
What does the amount of Friction in a Liquid or Gas
depend on?
What is Air Resistance?
How is Friction involved in Walking?
What is Streamlining?
Which Equation connects Density, Volume and
Mass?
What is the Difference between Density and Weight?
What is the Difference between a Scalar and a
Vector?
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