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Ninth Grade (Grade 9) Physics Questions

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Grade 9 :: Energy and Momentum by lisamarie137
What is the unit used for momentum?
  1. kg*m/s
  2. kg*s/m
  3. ml*m/s
  4. ml*s/m
Grade 9 :: Energy and Momentum by lisamarie137
The letters in the momentum formula represent what?
  1. motion, movement and velocity
  2. mass, momentum and velocity
  3. mass, velocity and acceleration
  4. mass, velocity and weight
Grade 9 :: Light and Optics by appier
Grade 9 :: Energy and Momentum by lisamarie137
What is the formula for momentum?
  1. f=ma
  2. w=ma
  3. p=mv
  4. v=pm
Grade 9 :: Energy and Momentum by lisamarie137
Newton's Third Law is also called the
  1. law of inertia
  2. law of momentum
  3. law of velocity
  4. law of acceleration
Grade 9 :: Energy and Momentum by lisamarie137
The momentum after a collision of two objects is explained using the
  1. law of inertia
  2. law of momentum
  3. law of acceleration
  4. law of conservation of momentum
Grade 9 :: Forces and Motion by Courtney_Nicole
An object with a mass of 1 kilogram on Earth
  1. has less mass on the Moon
  2. has the same mass on the Moon
  3. has more mass on the Moon
  4. weighs the same everywhere
Grade 9 :: Forces and Motion by Courtney_Nicole
Consider your book is at rest on a table. When you push it horizontally and it's on the verge of sliding, but still at rest, friction on the book acts in a direction that is
  1. opposite to your push
  2. the same direction as your push
  3. at right angles to your push
  4. in no direction until the book slides
Grade 9 :: Forces and Motion by Courtney_Nicole
If a ball rolls down an inclined plane and picks up a speed of 4 m/s each second it rolls, its acceleration is
  1. one half of 4 m/s
  2. one half of 4 m/s squared
  3. 4 m/s squared
  4. 10 m/s squared
Grade 9 :: Forces and Motion by Courtney_Nicole
The acceleration of a rain drop that falls at constant velocity
  1. is zero
  2. is directed downward
  3. decreases over time
  4. increases over time
Grade 9 :: Forces and Motion by Courtney_Nicole
Grade 9 :: Forces and Motion by Courtney_Nicole
Grade 9 :: Fluid Mechanics by kurtman
You open a cooler to get a soda on a hot summer day and notice a can of diet soda is floating while the cans of regular soda are not floating. What can you infer about this situation? Which is the best statement that describes why?
  1. The water must be flowing upward in the area of the diet soda.
  2. There must be less matter in the regular can of soda.
  3. The diet soda must have less mass per unit of volume than the surrounding water.
  4. The diet soda can must be made of a different kind of material.
Grade 9 :: Energy and Momentum by Ddavis88
What is equal to the product of mass and velocity?
  1. inertia
  2. force of gravity
  3. weight
  4. momentum
Grade 9 :: Forces and Motion by lisamarie137
The greater the inertia, the greater an object's
  1. speed
  2. mass
  3. velocity
  4. acceleration
Grade 9 :: Forces and Motion by lisamarie137
An object will remain at rest if the forces are
  1. constant
  2. positive
  3. unbalanced
  4. balanced
Grade 9 :: Forces and Motion by lisamarie137
Horizontal lines on a velocity/time graph show
  1. constant acceleration
  2. no motion
  3. positive acceleration
  4. negative acceleration
Grade 9 :: Forces and Motion by lisamarie137
Distance is
  1. a change in position
  2. a measure of how far an object has moved
  3. the distance and direction of an object's change on position from a reference point
  4. the distance traveled per unit of time
Grade 9 :: Forces and Motion by lisamarie137
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