10 Questions
| Total Attempts: 130

Questions and Answers

- 1.The kinetic energy of an object will increase the most if you __________________.
- A.
Double the velocity of the object

- B.
Double the mass of the object

- C.
Double the potential energy

- D.
Double the temperature of the object

- 2.Momentum is the product of ___________.
- A.
Mass times velocity

- B.
Force times distance

- C.
Speed times acceleration

- D.
Time and space

- 3.When playing billiards, the collisions between the balls are best described as __________________.
- A.
Elastic

- B.
Inelastic

- C.
Expensive

- D.
Exhaustive

- 4.You have 3 round objects of equal mass and equal radius, but different shapes. Which of the following shapes will have the largest moment of inertia?
- A.
A hollow ring

- B.
A solid disk

- C.
A solid sphere

- D.
They are all equal

- 5.is the formula for:
- A.
Moment of inertia

- B.
Rotational kinetic energy

- C.
Total kinetic energy of a moving object

- D.
Potential energy of rotation

- 6.If the distance between two objects is doubled, what happens to the force of gravitational attraction between them?
- A.
It stays the same

- B.
It is cut in half

- C.
It doubles

- D.
It is 1/4 as strong

- 7.According to Newton's Law of Universal Gravitation, which of the following do you NOT need to know in order to calculate the force of gravitational attraction between 2 objects?
- A.
Mass of the larger object

- B.
Mass of the smaller object

- C.
Radius of the larger object

- D.
Distance between the two objects

- 8.When calculating the force of gravity between two objects, you need to measure the distance between:
- A.
The centers of mass of the two objects

- B.
The points where the objects surfaces are closest to each other

- C.
The points where the objects surfaces are farthest away from each other

- D.
Two arbitrary points within the objects' mass

- 9.According to Keler, the path of a planet's orbit is in the shape of _____________.
- A.
A circle, with the sun at the center

- B.
An ellipse, with the sun at one of the foci

- C.
A circle, with the earth at the center

- D.
An ellipse, with the earth at one of the foci

- 10.According to Kepler, a planet will travel fastest in its orbit when _____________.
- A.
It is closest to the sun

- B.
It is farthest from the sun

- C.
It is coldest

- D.
It is aligned with the other planets