GMAS Review PT 2

• A

• C

• C

• D

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67. Sam was learning how to roller-skate. He did not want to go fast. On which kind of floor surface would Sam travel the slowest?

• A)carpet

• B)concrete

• C)tile

• D)wood

69. Which term refers to the rate of change of motion?

• A)acceleration

• B)speed

• C)momentum

• D)velocity

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70. What must happen to an object in order to accelerate it?

• A)A net force must be applied.

• B)Some weight must be removed.

• C)Its frictional coefficient must be reduced.

• D)It must contain momentum.

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71.A car is traveling down a hill. Which of the following will affect the amount of energy the car has?

• A)how long the car is

• B)the time of day

• C)how much the car weighs

• D)the color of the car

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75.All objects in the universe are attracted to each other by the force of

A)effort. B)friction. C)gravity. D)inertia.

• A)effort.

• B)friction.

• C)gravity.

• D)inertia.

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76. On which simple machine is a fulcrum found?  

• A)pulley

• B)wheel

• C)axle

• D)lever

77. Which is true about the relationship between an object's mass and its weight?

• A)The object's mass is caused by the weight of the object pushing downward.

• B)Weight is gravity's force on the object, which is determined by its mass.

• C)An object's weight and its mass are the same, but they are measured differently.

• D)An object's weight and its mass are independent of each other.

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78. Jeff was riding in a car. Which change demonstrates the GREATEST effect of inertia?

• A)The car makes a sudden stop.

• B)The car slows down gradually.

• C)The car changes into another lane.

• D)The car runs out of gas and rolls to a stop.

79. Manuel is coasting on his bike. Because he is not pedaling, his bike will come to a stop. Which of these will cause Manuel's bike to stop?

• A)an increase in kinetic energy

• B)Earth's magnetic field

• C)the property of inertia

• D)the force of friction