Por question numbers 1-2, refer to figure 20. 1. If two groups in the game are exerting unequal and opposite forces on the ground, will the rope move?
2. Will the net force be equal to zero?
3. To what direction does the rope move?

For question numbers 4-6, refer to figure 21.

4. Are the forces acting on the chandelier unbalanced?
5. What force can cause the chandelier to fall?
6. What type of force is your answer in number 4?

568.98

explanation:

its math

the minimum constant speed at which she can catch the train is 2.7 m/s

given:

acceleration = 0.6

time = 4.5 s

to find:

velocity = ?

formula used:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

solution:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

v = 0 + (0.6 × 4.5)

v = 2.7 m/s

the minimum constant speed at which she can catch the train is 2.7 m/s