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66 Multiple Choice Questions with answer of Physical Science I | SCI 105, Exams of Physics

Harford Community CollegePhysics

Material Type: Exam; Class: Physical Science I (GS); Subject: Physical Science; University: Harford Community College; Term: Unknown 1989;

Typology: Exams

Pre 2010

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Harford Community College Physical Science I (SCI 105)
Test 1 Sample Questions
1. Science is NOT which of the following?
a. self-testing b. certain c. predictive d. cumulative
2. Predictions of a theory must be observable ( T or F ).
3. Aristotle relied on logic to explain nature. Galileo relied on ...
a. experiment b. logic also c. patterns d. mathematics
4. The natural state of the Earth according to Aristotle is that of ...
a. uniform motion b. uniform acceleration c. rest
5. According to Aristotle, a heavier object will fall _____ a lighter object.
a. faster than b. slower than c. at the same rate as
6. Why does an apple fall according to Aristotle?
a. It contains Earth. b. Falling is natural. c. Both a. and b. are correct
7. Galileo believed a body could roll forever on a frictionless horizontal surface ( T or F ).
8. According to Galileo, a coin and a feather in a vacuum would fall with the same ...
a. acceleration b. momentum c. force
9. Galileo called the property of a body to maintain its state of motion its __inertia__ .
10. When a ball rolls off the edge of a table, its motion is in the shape of a ...
a. circle b. parabola c. straight line d. hyperbola
11. The mass of an object on the Moon is ________ its mass on Earth.
a. less than b. more than c. the same as
12. If a nonrotating object has no acceleration, then we can say that it is ...
a. at rest b. moving at constant nonzero velocity
c. in mechanical equilibrium d. none of these
13. The average speed of a horse that gallops a distance of 10 km in 30 minutes is ...
a. 10 km/hr b. 20 km/hr c. 30 km/hr d. 0.3 km/hr
14. The gain in speed each second for a freely falling object on Earth is about ...
a. 0 m/s b. 5 m/s c. 10 m/s d. 20 m/s
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Download 66 Multiple Choice Questions with answer of Physical Science I | SCI 105 and more Exams Physics in PDF only on Docsity!

Harford Community College Physical Science I (SCI 105) Test 1 Sample Questions

  1. Science is NOT which of the following? a. self-testing b. certain c. predictive d. cumulative
  2. Predictions of a theory must be observable ( T or F ).
  3. Aristotle relied on logic to explain nature. Galileo relied on ... a. experiment b. logic also c. patterns d. mathematics
  4. The natural state of the Earth according to Aristotle is that of ... a. uniform motion b. uniform acceleration c. rest
  5. According to Aristotle, a heavier object will fall _____ a lighter object. a. faster than b. slower than c. at the same rate as
  6. Why does an apple fall according to Aristotle? a. It contains Earth. b. Falling is natural. c. Both a. and b. are correct
  7. Galileo believed a body could roll forever on a frictionless horizontal surface ( T or F ).
  8. According to Galileo, a coin and a feather in a vacuum would fall with the same ... a. acceleration b. momentum c. force
  9. Galileo called the property of a body to maintain its state of motion its inertia.
  10. When a ball rolls off the edge of a table, its motion is in the shape of a ... a. circle b. parabola c. straight line d. hyperbola
  11. The mass of an object on the Moon is ________ its mass on Earth. a. less than b. more than c. the same as
  12. If a nonrotating object has no acceleration, then we can say that it is ... a. at rest b. moving at constant nonzero velocity c. in mechanical equilibrium d. none of these
  13. The average speed of a horse that gallops a distance of 10 km in 30 minutes is ... a. 10 km/hr b. 20 km/hr c. 30 km/hr d. 0.3 km/hr
  14. The gain in speed each second for a freely falling object on Earth is about ... a. 0 m/s b. 5 m/s c. 10 m/s d. 20 m/s
  1. Ten seconds after starting from rest, a freely falling object will have a speed of ... a. 10 m/s b. 50 m/s c. 100 m/s
  2. In the absence of air friction, objects fall at constant ... a. acceleration b. speed c. velocity
  3. A horizontal force is applied to a block on a frictionless horizontal table, causing an acceleration. If the system is moved to the Moon (1/6 gravity of Earth) and the same force applied, the acceleration would be _____ that on Earth. a. larger than b. smaller than c. the same as
  4. A 30 N force moves a 5 kg block on a table. The frictional force is 10 N. The acceleration is a. 6 m/s^2 b. 4 m/s^2 c. 2 m/s^2 d. 0 m/s^2
  5. An object maintains its state of motion because it has ... a. mass b. weight c. speed d. acceleration
  6. An empty frictionless roller coaster completes its ride in 3 min. Fully loaded, it will take ... a. less than 3 min b. more than 3 min c. 3 min
  7. If you are carrying a heavy bag and bang your hand into a wall, why does it hurt? a. inertia of bag b. weight of bag c. acceleration of bag
  8. A force is acting on an object. If the mass of the object doubles, the acceleration ... a. quadruples b. doubles c. is unchanged d. halves
  9. A 1.0 N apple held in your hand has a net force on it of ... a. 0 N b. 0.1 N c. 1.0 N d. 10 N
  10. The 1.0 N apple is now in free fall. The net force on the apple is ... a. 0 N b. 0.1 N c. 1.0 N d. 10 N
  11. A rock is thrown vertically upward. At the top of its flight, the net force on the rock is _____ its weight. a. less than b. more than c. the same as
  12. A 4 engine jumbo jet has a mass of 100,000 kg. Each engine produces 50,000 N of thrust. The acceleration of the jet at takeoff is ... a. 0.25 m/s b. 0.5 m/s c. 2 m/s d. 4 m/s
  13. Two factors that greatly affect air resistance on a falling object is its size and its ... a. mass b. weight c. speed
  14. When a falling object has reached its terminal velocity, its acceleration is ... a. constant b. zero c. g
  1. Momentum is transferred to the ground when an apple falls on it. The momentum absorbed by the ground is ... a. negligible compared to the momentum of the apple b. greater than that of the apple only if the apple bounces c. greater than that of the apple in all cases d. none of these
  2. A weightlifter lifts a 200 kg mass 2 meters. The work done is ... a. 100 J b. 400 J c. 1000 J d. 4000 J
  3. When braking a car, kinetic energy is converted into ... a. potential energy b. heat c. energy of rest d. motion
  4. A car moves 4 times as fast as another. The faster car has _______ the kinetic energy. a. 16 times b. 8 times c. 12 times d. 4 times
  5. How many joules of energy are in 1 kWh? a. 1 J b. 60 J c. 60 kJ d. 3.6 MJ
  6. Compared to a recoiling rifle, the bullet fired has a greater ... a. momentum b. kinetic energy c. none of these
  7. A ball is dropped from a building. Its kinetic energy a_ and the potential energy b. The total energy c. a. increases b. decreases c. stays the same
  8. A diver who weighs 500 N steps off a diving board 10 m above the water. The diver hits the water with a kinetic energy of ... a. 10 J b. 500 J c. 510 J d. 5000 J
  9. A car that travels twice as fast as another when braking to a stop will skid ... a. twice as far b. four times as far c. depends on the masses
  1. What is the force of gravity on a 500 N woman on Earth? a. 50 N b. 500 N c. 5000 N d. 0 N
  2. If the mass of the Earth doubled, your mass would ... a. double b. quadruple c. stay the same d. halve
  3. Inside a freely falling elevator, there would be no ... a. gravitational force b. apparent weight c. both a. and b.
  4. The Earth's gravitational field extends ... a. at or above the surface only b. at or below the surface only c. throughout the universe
  5. If the Sun were twice as massive, ... a. its pull on the Earth would double b. the pull of the Earth on the Sun would double c. both a. and b.
  6. Two objects move toward each other because of gravity. As the objects get closer and closer, the force between them ... a. increases b. decreases c. remains constant
  7. Jupiter is 300 times the mass of Earth, but your weight there would only be 3 times as much because ... a. your mass is 100 times less there b. Jupiter is farther from the Sun c. Jupiter has a larger radius d. none of these
  8. The reason the Moon does not crash into the Earth is that ... a. Earth's gravitational force is weak at the Moon b. the Sun is pulling on the Moon c. the Moon has sufficient tangential speed d. the Moon has less mass than Earth
  9. Which pulls on the oceans of Earth with greater force? a. the Sun b. the Earth c. both pull the same
  10. Tidal forces in general are the result of ... a. two or more sources of gravitation b. a combination of any kind of forces acting on a body c. the inverse square law d. unequal forces acting on different parts of a body