Test - Motion Flashcards
1
Q
- True of False
Weight is a constant no matter where you are located
A
False
Page 23
2
Q
- An object that is falling freely has a constant?
A
Acceleration
Page 11
3
Q
- If you drop a water melon off a tall building ignore air resistance what is false.
After 2 second it’s velocity Is 19.6
The watermelon falls with a constant velocity
A
The watermelon falls with a constant velocity
Page 3
4
Q
- A man weighs 800 N is standing on a chair. In order to support the man what force is the chair exerting
A
800 N up
Page 20
5
Q
- The relationship among mass, force, and acceleration is explained by
A
Newton’s 2nd law of motion
Page 22
6
Q
- When you pull a piece of paper of a cup and the coin drops into the cup. Why does it not just stay with the card?
A
The card had inertia
Page 20
7
Q
- Tendency of an object to resist changes in motion
A
Inertia
Page 20
8
Q
- The highest velocity a falling object will reach
A
Terminal velocity
Page 22
9
Q
- A net force acting on an object causes the object to accelerate in the direction of the net force
A
2nd law of motion
Page 22
10
Q
33a. What speed will a skydiver eventually reach
A
55m/s
Page 21
11
Q
33b. Why do we only reach 55m/s
A
Gravity and air resistance become equal
Page 21
