Practice Test 1 copy.pdf

# Practice Test 1 copy.pdf - PHYSICAL SCIENCE PSC2121 TEST 1...

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PHYSICAL SCIENCE PSC2121 Page 1 TEST 1 PRACTICE PROBLEMS 1) Which one of the following choices is a vector quantity? A) Mass B) Temperature C) Time D) Displacement E) Volume 2) Which one of the following statements is true concerning scalar quantities? 3) A kilogram is a measure of an object's 4) A girl pushes a cart to the left with a 100-N force. A boy pushes it to the right with a 50-N force. The net force exerted on the cart is 5) When a crate slides down an incline at a constant velocity it is A) in dynamic equilibrium. B) not in dynamic equilibrium. C) in a state of being in and out of dynamic equilibrium. D) none of the above

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