Question

5 QUESTIONS! NEED HELP!!

1. What is the resulting acceleration if a force of 12 N acts upon an object with a mass of 10 kg? Use F = ma.

A. 1.2 m/s2
B. 1.2 kg/s2
C. 1.2 m/s
D. 1.2 N/s2

2. In which direction is the acceleration of an object pointing if the object is traveling in a circular path?

A. Toward the center of the circular path.
B. Directly away from the center of the circular path.
C. In a direction tangent to the circular path.
D. In a direction upward from the circular path.

3. The vertical velocity of a projectile is zero at the top of the projectile's path.

Answer 1

3. The vertical velocity of a projectile is zero at the top of the projectile's path.
A. True
B. False

4. What factors influence the amount of gravitational pull between two objects or bodies?

A. The masses of the objects and their sizes.
B. The masses of the objects and their separation distance.
C. The weights of the two objects.
D. The states of the objects (liquid, solid, etc.).

5. Which of the following has the least effect upon the shape of a projectile's path?

A. Initial velocity
B. Gravity
C. Air resistance
D. Mass

Answer 2

1-A
2-A
3-A
4-B
5-D
http://homepage.usask.ca/~dln136/projectile/pages/module2.html

Answer 3

the web site I posted, it will help you a lot about motions