Force Test Flashcards
1
Q
- What is the weight of the box in the picture to the right?
A
245N
C3
2
Q
- What’s the net force on the block to the right?
A
2N left
C3
3
Q
- The upward force on an object falling through the air is ___.
A
Inertia
C3
4
Q
- The relationship among mass, force, and acceleration is explained by ____.
A
Newton’s 2nd Law
C3
5
Q
- An object at a constant velocity unless an unbalanced force acts upon it.
A
Newton’s 1st Law
C3
6
Q
- Push or pull one body exerts on another.
A
Force
C3
7
Q
- The highest velocity a falling object will reach
A
Law of Conservation of Momentum
C3
8
Q
- Tendency of an object to resist changes in motion.
A
Inertia
C3
9
Q
- The attraction of any 2 objects have on one another.
A
Gravity
C3
10
Q
- A net force acting on an object causes the object to accelerate in the direction of the net force.
A
Newton’s 2nd Law
C3
11
Q
- Related to the amount of force needed to change an object’s motion.
A
Momentum
C3
12
Q
- Why does someone not wearing a seatbelt fly forward when the car suddenly stops? Make sure to include which law explains this.
A
According to Newton’s 1st Law an object won’t move unless acted upon, so the person flies forward because of the force of the car stopping acting on it.
C3
13
Q
38 c. Why does this occur?
A
Because of gravity picking the person down causing him/her to accelerate.
C3