Oldgold

Conceptual Physics Test with Correct Answers Distinguish between force and pressure - Answer-Pressure is force/area What is the relationship between liquid pressure and depth of a liquid? Between liquid lressure and density? - Answer-Liquid pressure increases with depth; it increases with density Why does the buoyant force act upward for an object submerged in water? - AnswerThere is greater pressure against the bottom How does the buoyant force that acts on a fish compare with the weig...

Conceptual Physics Practice Exam Questions with Correct Answers (t/f) If a hockey puck slides at a constant speed on a perfectly frictionless surface, it is demonstrating Newton's 1st Law - Answer-True (t/f) If you are holding an apple at rest in your palm, the apple's weight and the normal force supporting the apple form an action-reaction pair - Answer-False (t/f) An object in equilibrium must be at rest - Answer-False (t/f) For an object suspended by two separate ropes that is in e...

Conceptual Physics Ch 9 Test Questions and Answers Newton's most celebrated synthesis was and is of A) earthly and heavenly laws. B) weight on Earth and weightlessness in outer space. C) masses and distances. D) the paths of tossed rocks and the paths of satellites - Answer-A) earthly and heavenly laws. Universal Law of Gravity - Answer-Force ~ mass1 x mass2 / distance Universal Gravitational Constant, G - Answer-F = G (m1 x m2 /distance) G = 6.67E x 10^-11 Nm2/kg2 Mass of Earth - ...

Conceptual Physics Momentum Exam Momentum - Answer-The product of the mass of an object and its velocity. Momentum = mass × velocity Momentum is... - Answer-a property of moving things. By momentum we mean... - Answer-Inertia in motion. Momentum in shorthand: - Answer-Momentum→Ρ =mv When direction is not an important factor, we can say: - Answer-Momentum = mass × velocity What is especially important when dealing with momentum? - Answer-Timing The quantity force × time interval...

Conceptual Physics Chapter 15 Test Questions with Complete Solutions When you touch a cold piece of ice with your finger, energy flows A) from your finger to the ice B) from the ice to your finger C) actually, both ways - Answer-A) from your finger to the ice Heat energy travels from an object with a high A) internal energy to an object with a lower internal energy B) temperature to an object with a lower temperature C) Both of these, for they say essentially the say the same thing D...

Conceptual physics Midterm Exam Questions with Correct Answers temperature at which a solid state changes to a liquid state - Answer-melting point can result from adding or removing thermal energy - Answer-change of state the change of state from a gas to a liquid - Answer-condensation temperature at which matter changes from liquid to solid - Answer-freezing point stored energy resulting form the interactions between particles or objects - Answerpotential energy vaporization that occur...

Conceptual Physics Ch 13 Test Questions with Answers When you stand on one foot instead of two, the force you exert on the floor is A) less. B) the same. C) more. D) None of the above. - Answer-B) the same. When you stand on one foot instead of two, the pressure you exert on the floor is A) less. B) the same. C) more. D) None of the above. - Answer-C) more. Twice as much, in fact! Water pressure provided by a water tower is greater if the tower A) is taller. B) holds more water....

Conceptual Physics Midterm Exam Prep Questions with Correct Answers The newton is a unit of a. force b. mass c. inertia d. density - Answer-a. force If an object's mass is decreasing while a constant force is applied to the object, the acceleration a. remains the same. b. decreases. c. increases. - Answer-c. increases. Two billiard balls having the same mass and speed roll toward each other. What is their combined momentum after they meet? a. 0 b. half the sum of their original momentum...

Conceptual Physics Test Questions with All Correct Answers The momentum of an object is defined as the object's - Answer-mass times its velocity Which has more momentum, a large truck moving at 30 mph or a small truck moving at 30 mph? - Answer-the large truck Compared to a sports car moving at 30 mph, the same sports car moving at 60 mph has ____. - Answer-twice as much momentum The momentum change of an object is equal to the ____. - Answer-impulse acting on it In order to increase ...

Conceptual physics Study Questions with Answers newtons first law states - Answer-object motion stay in motion and an object at rest at rest the SI unit of force is newtons - Answer-true an object is at equilibrium when there are equal or no forces acting on it - Answer-true what is mass - Answer-quantity of matter what is newtons first law - Answer-an object at rest will stay at rest unless acted upon by another force what is equilibrium - Answer-a state in which opposing forces or i...