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Physics

Uncover the laws that govern the universe, from the smallest particles to the vastness of space. Physics seeks to explain the fundamental mechanisms of the natural world.

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Questions
Q: Is friction a force that acts when two surfaces rub together
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Q: Examples of rigid joints
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Q: Describe an experiment you could perform to determern the average speed of a toy car rolling down an incline
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Q: Heat can never flow from
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Q: The sales of a certain product after an initial release can be found by the equation where s represents the total sales (in thousands) and t represents the time in weeks after release.
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Q: What energy tranformations occur in ringing bell
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Q: Flexibility in aerospace power allows forces to exploit mass and maneuver simultaneously to a far greater extent than surface forces can.
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Q: What is the kilogram of a pencil
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Q: 5 examples of where air resistance is useful
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Q: How do the particles move in kinetic energy
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Q: Hydraulics use what kind of force
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Q: A rake acts as a machine by over which the force is applied.
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Q: A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees. What is the horizontal velocity component of the ball Round the answer to the nearest tenth of a ms.
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Q: An inclined plane reduces the effort force by .
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Q: You pull down on a rope to raise a flag on a flagpole. Which describes why the rope and the flagpole act as a machine
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Q: The quote be slow in choosing a friend slower in changing
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Q: Besides a reduction in friction the only way to increase the amount of work output of a machine is to the work input.
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Q: Lance is rubbing two sticks together. The friction causes the kinetic energy from rubbing the two sticks to be converted into
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Q: What sort of material do you need to detect a force
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Q: What is the effect of making objects in a painting duller
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Q: Which of the following are examples of circular motion (things with a net centripetal force)
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Q: X - rays are an example of what energy
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Q: Type of wave you'd find in the summer
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Q: The frequency of sound wave determines what
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Q: From time to time people claim to have invented a machine that will run forever without energy input and develop more energy than it uses (perpetual motion). What is wrong with this claim
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Q: The law of reflection states when light rays reflect off a surface the angle of incidence
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Q: True or Fslse is BOMS (component listings) indicate actual material on-hand along with what is authorized
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Q: The movement of atoms molecules waves and electrons is what type of energy
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Q: According to bernoulls principle what characteristic of a moving fluid determines its pressure
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Q: Temperature is a measure of the average of what energy of an objects particles
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Q: What happens if the Weight greater than lift on a plane
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Q: The 2007 Nobel Prize in physics was awarded to Albert Fert and Peter Grunberg for simultaneously and independently discovering giant magnetoresistance. How have their discoveries impacted your life
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Q: What is the vibration and movement of the atoms and molecules within substances called
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Q: A tightly closed well-insulated vacuum flask is an example of which type of system
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Q: What does not involve the movement of matter
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Q: The wet adiabatic rate of cooling is less than the dry rate
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Q: Why does an egg flout or sink in water
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Q: The main energy resource used by industrialized countries is
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Q: A runner has an initial velocity of 4 meters per second after 20seconds the runners velocity is 6 meter per second what is the runner acceleration
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Q: A car coasts up a hill. As it climbs it slows down. Which type of energy is the car losing as it goes up
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Q: Everything in or on water pushes some water aside even if just a little bit. This is called .
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Q: Potential energy is frequently converted to kinetic energy. Kinetic energy
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Q: If an object floats the volume of the displaced water is equal to the volume of the portion of the object that's above the surface of the water.
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Q: Strong nuclear forces act over distances within atoms.
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Q: What do magnetic field line show
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Q: According to the law of reflection what is the angle of incident
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Q: What is the name given for the push or pull of an object
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Q: The rate (speed) of doing work is a measure of
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Q: A metal spoon becomes hot after being left in a pan of boiling water. This is an example of .
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Q: Is albert Einstein an inventer
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