AnswersMad 2017 Phy Sci B -33 SSGravity

Gravity Answers

0 verified answers
1
Free Preview

The gravitational force between two objects is 100 N.

A
25 N
B
50 N
C
200 N
D
400 N
2
Free Preview

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

A
Gravity does not act on objects near Earth’s surface.
B
Air exerts forces on falling objects near Earth’s surface.
C
The objects do not reach terminal velocity.
D
The objects can be pushed upward by gravity.
3

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

A
gravity
B
friction
C
air resistance
D
speed
4

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.
5

When does a skydiver achieve terminal velocity?

A
when gravity equals air resistance
B
when gravity is greater than air resistance
C
when air resistance acts on the diver and gravity does not
D
when gravity acts on the diver and air resistance does not
6

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.
7

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
8

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
9

A spacecraft is launched from Earth toward the moon.

A
closer to Earth than to the moon because the moon has greater mass than Earth
B
closer to the moon than to Earth because the moon has greater mass than Earth
C
closer to Earth than to the moon because Earth has greater mass than the moon
D
closer to the moon than to Earth because Earth has greater mass than the moon
10

Which factors affect the gravitational force between two objects?

A
distance and velocity
B
mass and distance
C
mass and weight
D
acceleration and weight

Did you find these answers helpful?

More from this Course

Quiz
32 verified answers

Newton's Laws of Motion

Quiz
15 verified answers

Gravity

Quiz
14 verified answers

Gravity