3. A ball is thrown upwards and returns to the same location. When it returns how much is the speed compared with the initial spoed?
A. balf as much
B the same
C. twice as much
D. four times as much
6. What is the straight line motion caused by the gravitational pull of the earth?
A. free fall motion
B. horizontal motion
C projectile motion
D. none of these
7. How does the acceleration of a stone thrown upward compare to the one thrown
downward?
C. the same
B. smaller
D. undetermined
A. greater
8. What will happen to an object if no external forces act on it?
A. it will come to an abrupt halt
B. it will continue moving at the same speed
C. it will move slower and slower until it finally stops
D. none of these
9. Wlien no forces act on moving objects on air, how can you describe their paths?
C. parabola
D. straight lines
B. ellipse
A. circles
10. Suppose you are riding a motorcycle but it runs out of fuel while driving. The engine stops abruptly but why don't you?
A. because of gravity
B because of inertia
of continuation principle D because of resistance
Hanh makes a leum, who are you likely to lurch to​