Test - Unit 6- Force Flashcards
1
Q
- an object in motion with no unbalanced forces acting upon it will
A. Eventually slow down
B. Slow down, but never quite stop
C. Continue to move in it’s path at a constant speed
D. Accelerate
A
C . Continue to move a constant speed
Page. 1
2
Q
13. When two net forces on the same object are equal and opposite, these forces are called \_\_\_\_ forces. A. Net B. Balanced C. Unbalanced D. Frictional
A
B. Page 2
3
Q
19. What is the net force on the block to the right? A. 8N right B. 8N left C. 2N left D. 2N right
A
C. Page 2
4
Q
- An object that is falling freely has a constant what?
A. Speed, B. Velocity, C. Acceleration, D. Nothing is constant
A
C. Page 3
5
Q
- A student drops a feather and rock at the same time from Mrs Tyler’s window. If air resistance wasn’t a factor, what should she observe? A. The rock falls slower than the feather, B. The rock falls faster then the feather, C. The rock and feather fall at the same rate, D. The rock and feather remain suspended and fall at the same time
A
C. Page 3
6
Q
- Related to the amount of force needed to change an objects motion?
A
I. Momentum page 3.
7
Q
Unit for acceleration
A
a