Test - Force Flashcards
1
Q
- The size of the gravitational pull force between two objects depends on their
A
Masses and distance between them NB22
2
Q
- What is the weight of a 25kg box with 300N of force on it
A
25kg x 9.8m/s2= 245 N NB25
3
Q
- A man weighing 800N is standing on a chair. In order to support the man, what force is the chair exerting?
A
800N and up NB25
4
Q
- Explain why the cup, coin, and and paper lab works
A
Inertia NB20
5
Q
- A net force acting on an object causes the objects accelerate in the direction of the net force.
A
Newton’s 2nd Law NB22
6
Q
- The attraction any two objects have on one another
A
Gravity NB22
7
Q
- To every action, there is an equal and opposite reaction
A
Newton’s 3rd Law NB 23
8
Q
- Push or pull one body exerts on another
A
Force NB22
9
Q
- Related to the amount of force needed to change and objects motion
A
Momentum NB23
10
Q
33B. What speed will a skydiver reach?
A
118mi/hr = terminal velocity NB22
11
Q
33C. What happens when a skydiver dives in the air.
A
Air resistance and gravity become balanced therefore falling at a constant speed NB22
