Test Bank For Integrated Science 7Th Edition By Bill Tiller

Test Bank For Integrated Science 7Th Edition By Bill Tiller

Integrated Science, 7e (Tillery)

Chapter 2   Motion

1) Galileo reasoned that the distance a freely falling object travels is proportional to the square of the time.

Answer:  TRUE

Section:  02.05

Topic:  Falling Objects

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02

2) If a 16 lb bowling ball and a 10 lb bowling ball are dropped from the 5th floor at the same time the heavier ball will reach the ground first.

Answer:  FALSE

Section:  02.05

Topic:  Falling Objects

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02

3) When you roll a ball across the floor, it comes to a stop because you are no longer exerting a force on it.

Answer:  FALSE

Section:  02.04

Topic:  Motion

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02

4) An object accelerates when its speed or direction changes.

Answer:  TRUE

Section:  02.02

Topic:  Motion

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Chapter:  02

5) A car traveling at 20 mph on a curved exit ramp has a constant velocity.

Answer:  FALSE

Section:  02.02

Topic:  Motion

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

6) Newton’s 2nd law states that if a net force acts on an object, it will move at constant velocity.

Answer:  FALSE

Section:  02.06

Topic:  Newton’s laws

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

7) For a constant mass the acceleration of an object is directly proportional to the applied force.

Answer:  TRUE

Section:  02.07

Topic:  Newton’s laws

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

8) The football team wins a tug of war with the chess team because it pulls harder on the rope than the chess team does.

Answer:  FALSE

Section:  02.06

Topic:  Newton’s laws

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

9) The momentum of an object remains the same unless an unbalanced force acts on it.

Answer:  TRUE

Section:  02.08

Topic:  Momentum

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

10) A child on a carousel moving at constant speed has an acceleration of zero.

Answer:  FALSE

Section:  02.02

Topic:  Newton’s laws

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

11) The speed calculated from the distance traveled during an entire trip and the elapsed time is a(an)

A) average speed.

B) instantaneous speed.

C) final speed.

D) constant speed.

Answer:  A

Section:  02.02

Topic:  Motion

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Chapter:  02

12) Ignoring air resistance, the velocity of a falling object

A) is constant.

B) is constantly increasing.

C) increases for a while, then becomes constant.

D) depends on the mass of the object.

Answer:  B

Section:  02.05

Topic:  Falling Objects

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Chapter:  02

13) The difference in speed and velocity is that a measure of velocity must include

A) a destination.

B) distance and time units.

C) direction.

D) time of departure.

Answer:  C

Section:  02.02

Topic:  Motion

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Chapter:  02

14) The tendency of a moving object to remain in unchanging motion in the absence of an unbalanced force is called

A) inertia.

B) free fall.

C) acceleration.

D) impulse.

Answer:  A

Section:  02.03

Topic:  Newton’s laws

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Chapter:  02

15) Galileo discovered that an object in free fall (ignoring air resistance)

A) falls at constant velocity.

B) has a velocity proportional to its weight.

C) falls with increasing acceleration.

D) All of the choices are correct.

Answer:  D

Section:  02.05

Topic:  Falling Objects

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

Chapter:  02

16) A cannonball is fired straight up at 50 m/s. Neglecting air resistance, when it returns to its starting point, its speed is

A) 50 m/s.

B) more than 50 m/s.

C) less than 50 m/s.

D) It depends on how long it is in the air.

Answer:  A

Section:  02.05

Topic:  Falling Objects

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02

17) A heavy object and a light object are dropped from rest at the same time in a vacuum. The heavier object will reach the ground

A) before the lighter object.

B) at the same time as the lighter object.

C) after the lighter object.

D) It depends on the shape of the object.

Answer:  B

Section:  02.05

Topic:  Falling Objects

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02

18) The newton is a unit of

A) motion.

B) energy.

C) power.

D) force.

Answer:  D

Section:  02.07

Topic:  Newton’s laws

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Chapter:  02