28) A metal bar is shown below. The point of rotation is shown as a black dot. What is the magnitude of the unknown force so that the metal bar does not move? (not to scale)

3.51

1.82

75°

390 N

710 N

599 N

a) 239.02 N

b) -239.02 N

c) 629.02 N

d) -629.02 N

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

What does si stand for,when referring to a system of measurement

Refer to your lab guide and review the data in table b to complete each statement. the mass of g1 + g2 after the collision kg. the velocity of g1 + g2 after the collision m/s. the momentum of the combined gliders after the collision kg · m/s.