Gravity and Friction
Result
. . . .

Click on the correct answer.

1. If an object is transferred across two different planets in the solar system, then
The object's mass will change and the object's weight will stay the same.
The object's mass will stay the same and the object's weight will change.
The object's mass and weight will change.
The object's mass and weight will stay the same.

2. The type of friction demonstrated by two objects sliding across each other is
Mechanical friction
Static friction
Starting friction
Rolling friction

3. Following Newton's claims of gravity, which of the following planets exerts the largest amount of gravity to the objects around it?
Venus
Neptune
Uranus
Jupiter

4. In which direction does the gravity of an object pull towards?
Towards the object's base
Downwards
Towards the object's center
Away from the object

5. If all of the following objects are rubbed across the same surface, which one will exhibit the most amount of friction?
A smooth, dry object
A smooth, wet object
A rough, dry object
A rough, wet object

6. Of the three kinds of friction, which one requires the least amount of force?
Starting friction
Sliding friction
Rolling friction
All require the same amount of force

7. Imagine that you are standing in the middle of a room where someone can control the amount of gravity in it. What will happen if the gravity is set to zero?
You will float around the room.
You will fall down.
You will feel heavier.
Nothing will happen.

8. If all of the following objects are rubbed across the same surface, which one will exhibit the least amount of friction?
A smooth, dry object
A smooth, wet object
A rough, dry object
A rough, wet object

9. Which of the following objects has the greatest amount of gravity acting on it?
A heavy object on the Moon
A light object on the Moon
A heavy object on Earth
A light object on Earth

10. Imagine a flat table that is completely smooth and devoid of friction. What will happen if you place a book on top of it?
The book will stay in place
The book will bounce up
The book will spin around on its axis
The book will slip off

0
/ 10