Science (Grade 8)
What force is always directed opposite to the motion of an object?
A.Friction
B.Gravitational
C.Magnetic
D.Tension
What force pulls an object back to the earth?
A. Applied
B. Gravitational
C.Magnetic
D.Tenstion
What surface would be easiest for a bicycle to move?
A.Sand
B.Grass
C.Muddy Roud
D.Concrete Road
What force acts perpendicular to the surface of the object in contact with?
A. 0 N
B. 300 N
C. 600 N
D. 900 N
What is the net force in the figure bellow?
A.25 N, to the left
B.25 N, to the right
C.195 N, to the left
D.195 N, to the right
Can you plz answer this?
I need it right away...