AnswersMad 2017 Phy Sci B -33 SSGravity

Gravity Answers

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1
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Which statement best compares the accelerations of two objects in free fall?

A
The heavier object has a greater acceleration.
B
The object that has the greater surface area has the lower acceleration.
C
The object that has the smaller mass has the greater acceleration.
D
The objects have the same acceleration.
2
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What units are used to measure mass and weight?

M
Mass and weight are measured in kilograms.
M
Mass and weight are measured in newtons.
M
Mass is measured in kilograms, and weight is measured in newtons.
M
Mass is measured in newtons, and weight is measured in kilograms.
3

Which change will always result in an increase in the gravitational force between two objects?

A
increasing the masses of the objects and increasing the distance between the objects
B
decreasing the masses of the objects and decreasing the distance between the objects
C
increasing the masses of the objects and decreasing the distance between the objects
D
decreasing the masses of the objects and increasing the distance between the objects
4

What is the weight, on Earth, of a book with a mass of 1.5 kg?

A
1.5 N
B
6.5 N
C
11.3 N
D
14.7 N
5

Why are objects that fall near Earth’s surface rarely in free fall?

G
Gravity does not act on objects near Earth’s surface.
A
Air exerts forces on falling objects near Earth’s surface.
T
The objects do not reach terminal velocity.
T
The objects can be pushed upward by gravity.
6

What is the only force that can act on an object in free fall?

A
gravity
B
friction
C
air resistance
D
speed
7

Which describes an object in projectile motion?

A
Gravity acts to push the object sideways.
B
The object moves in a straight path.
C
The forward velocity of the object is 0 m/s.
D
The object’s inertia carries it forward.
8

A ball is thrown forward at 5 m/s.

A
The ball would follow a curved path on Earth but a straight path on the moon.
B
The ball would follow the same curved path on Earth as on the moon.
C
The ball would curve down more sharply on Earth than on the moon.
D
The ball would curve down on Earth but curve up on the moon.
9

The table shows the masses of four objects.

Question illustration
A
the book
B
the rock
C
the box
D
the fish
10

The gravitational force between two objects is 100 N.

2
25 N
5
50 N
2
200 N
4
400 N
11

Under what conditions would a Southern man be allowed to vote in the Union, per the Wade–Davis Bill? Check all that apply.

A
if he had not held a military or civil office in the Confederacy
B
if he could prove that he had not voluntarily borne arms against the US
C
if he swore an oath of allegiance to the United States
D
if he was related to a qualified voter
E
if he offered to vote and to take the oath
12

What was the fate of the Wade–Davis Bill?

A
Congress rejected the bill but Lincoln approved it.
B
It became law after Lincoln signed it.
C
It became law after passing in Congress.
D
Lincoln refused to sign it into law by using a pocket veto.
13

Take a look at this quote from Johnson’s pardon.What was the only condition for Southerners to meet in order to receive a pardon?

A
White Southerners must have participated directly in the war.
B
White Southerners must sign the Emancipation Proclamation.
C
White Southerners must promise not to practice slavery anymore.
14

Why were many people in the North angry about Johnson’s Reconstruction policies?

A
They felt he had abandoned Lincoln’s plans for Reconstruction.
B
They felt Johnson was too hard on the Southern states.
C
They felt the South was not being punished enough.

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