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Search Results for motion - All Grades

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Grade 11 Motion in Two- and Three-Dimensions

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In the diagram below, what force is required to keep an object of mass [math]m[/math] from slipping off the disk?
Circular Motion
  1. [math]mg[/math]
  2. [math](mv^2)/r[/math]
  3. [math](mv^2)/(2g)[/math]
  4. [math](2pimg)/v^2[/math]
Grade 11 Forces and Motion
A mass is connected to an ideal spring, as shown below. As the amplitude [math]X[/math] increases, the period of the simple harmonic motion
Harmonic Motion #5
  1. increases.
  2. decreases.
  3. some times increases and some time decreases, depending on the friction between the mass and the table.
  4. stays the same.
Grade 4 Forces and Motion
Motion is
  1. the push or pull of an object
  2. a force that works against motion
  3. a model built by an engineer
  4. when an object changes position
Grade 8 Forces and Motion

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When is an object in motion?
  1. when its distance from another object is changing
  2. when the point of reference remains the same
  3. only if the object is rolling
  4. if the object has forces acting on it
Grade 8 Forces and Motion
Grade 6 Forces and Motion
An object is in projectile motion if it                                  .
  1. is thrown with a horizontal path
  2. is accelerated downward by gravity
  3. does not accelerate horizontally
  4. all of the above.
Grade 8 Forces and Motion

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Motion is ........
  1. anything with speed.
  2. the change of position over time.
  3. the way you move something.
  4. an object with force.
Grade 9 Waves and Sound
Waves not only move up and down, but also move
  1. forwards
  2. backwards
  3. none of the above
  4. a and b
Grade 10 Forces and Motion

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Grade 3 Forces and Motion
When something changes position, it is in
  1. motion
  2. friction
  3. gravity
  4. acceleration
  5. force
Grade 3 Forces and Motion
Grade 11 Forces and Motion
Under what conditions does a pendulum exhibit a simple harmonic motion?
  1. Amplitude is small.
  2. Friction is negligible.
  3. Air drag is negligible.
  4. All of the above.
Grade 3 Magnetism and Electricity
What kind of objects will magnets attract?
  1. plastic objects
  2. lead objects
  3. iron objects
  4. aluminium
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