1. A force is defined as
a. A push only
b. A pull only
c. A push or a pull
d. None of the above
2. What unit do scientists use to measure force?
a. Newton
b. Grams
c. Meters
d. Meter per second per second
3. When you slide a toy car across the floor, what force mu
stronger than?
a. Support force
b. Friction force
c. Gravity
d. Air resistance
your push be
4. A piece of paper is at rest on your desk. Which of the following statements
best describes this situation?
a. There are no forces acting on the paper.
b. The paper pushes on the desk only.
c. The desk pushes on the paper only
d. The forces acting on the paper are balanced.
5. Which force always pulls downward on objects?
a. Support force
b. Friction force
c. Gravity
d. Air resistance
6. A change to an objects motion is caused by...
a. Balanced forces
b. Unbalanced forces
c. Acceleration
d. Velocity​