11 Questions
| Total Attempts: 197

Questions and Answers

- 1.Force is a push or a pull, measured in:
- A.
Joules.

- B.
Watts.

- C.
Newtons.

- D.
Kilograms.

- E.
Meters.

- 2.Gravity is an attractive force, and depends on _______ and __________
- A.
Weight, distance.

- B.
Mass, distance.

- C.
Force, mass.

- D.
Distance, time.

- 3.The Law of Universal Gravitation says
- A.
Objects with mass exert gravitational pull.

- B.
The greater an object's mass, the greater its gravity.

- C.
The closer two objects are, the greater their gravitational attraction.

- D.
All of the above.

- 4.In order to determine the force, what measurements must you make?
- A.
Weight and height.

- B.
Weight and distance.

- C.
Distance and acceleration.

- D.
Mass and acceleration.

- 5.If the mass of an object remains constant, and you increase the force applied to it, what happens to the object's acceleration?
- A.
Acceleration remains constant.

- B.
Acceleration increases.

- C.
Acceleration decreases.

- D.
There's not enough information to decide.

- 6.Newton's 1st Law describes:
- A.
The relationship between mass, acceleration, and force.

- B.
Balanced and unbalanced forces.

- C.
The tendency of objects to resist changes in motion.

- D.
Equal and opposite forces.

- 7.Newton's 2nd Law describes:
- A.
The relationship between mass, acceleration, and force.

- B.
Balanced and unbalanced forces.

- C.
The tendency of objects to resist motion.

- D.
Equal and opposite forces.

- 8.Newton's 3rd Law describes:
- A.
The relationships between mass, acceleration, and force.

- B.
Balanced and unbalanced forces.

- C.
The tendency of objects to resist changes in motion

- D.
Equal and opposite forces.

- 9.Once an object is in motion, we can determine its average speed by measuring:
- A.
The distance traveled and how long it took to get there.

- B.
The difference between its final speed and the initial speed.

- C.
The distance traveled and its rate of acceleration.

- D.
The direction it traveled and how long it took to get there.

- 10.Which of the following refers to an object's velocity?
- A.
Increasing distance from a reference point over time.

- B.
Decreasing distance from a reference point over time.

- C.
Constantly changing the direction of travel over time.

- D.
All of the above.

- 11.You can describe an object as accelerating when:
- A.
The object increases its velocity.

- B.
The object decreases its velocity.

- C.
The object changes direction.

- D.
All of the above.