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physics
| Question | Answer |
|---|---|
| The resultant 200 Newton, 45° has an equilibrant with magnitude _____ | 200 Newton |
| The resultant 200 Newton in the first quadrant has an equilibrant in what quadrant? | III |
| What is the weight if the mass is 87 kg? | 853 N |
| Given a vector of 704 kmph, 186°: What is the magnitude? | 704 kmph |
| Given a vector of 658 kmph, 110°: What is the direction? | 110° (Quadrant II) |
| Given 3 vectors (29 N east, 29 N south, 29 N west), what is the magnitude of their resultant? | 29 N (south) |
| Given 3 vectors (1000 N east, 1000 N south, 1000 N west), what is the direction of their resultant? | South (270°) |
| What is the percent difference if the equilibrant equals the resultant in magnitude? | 0% |
| On a force table, the 4th counterweight represents which vector? | Equilibrant |
| Free fall is affected by ____ alone. | Gravity |
| A ball dropped and falls freely has an initial speed whose magnitude is: | 0 |
| A ball dropped and falls freely will have a speed whose magnitude is: | Increasing |
| A ball dropped, falls freely. Before touchdown, it will reach a final speed whose magnitude is: | Maximum |
| A ball projected vertically upward reached max height in 168 s. Time to return to initial position? | 336 s |
| A ball projected vertically upward with initial speed 257 m/s. Speed on return? | 257 m/s (downward) |
| A ball projected vertically upward with initial speed 37 m/s. Speed at max height? | 0 m/s |
| A ball projected vertically upward with initial speed 53 m/s. Speed after 2 s (g | 10)? |
| A ball projected vertically upward at max height starts at t | 0 downward. Speed after 35 s (g |
| A ball projected vertically upward reached max height in 115 s. Time to return to initial position? | 115 s |
| Free fall and projectile are similar in terms of: | Gravity |
| A projectile reaches range 100 m at 30°. What angle gives more range? | 45° |
| A projectile reaches range 20 m at 40°. What angle decreases range but not to zero? | Decrease the angle |
| A projectile has an acceleration whose magnitude is: | Equal to gravity |
| A projectile given initial speed 100 m/s at 30°. What is initial horizontal speed? | 86.6 m/s |
| A projectile given initial speed 100 m/s at 30°. What is initial vertical speed? | 50 m/s |
| A projectile given initial speed 100 m/s at 30°. What is vertical speed at max height? | 0 m/s |
| A projectile given initial speed 100 m/s at 30°. What happens to vertical speed going up? | Decreasing |
| A projectile given initial speed 100 m/s at 30°. What happens to vertical speed going down? | Increasing |
| A projectile given initial speed 100 m/s at 30°. What is horizontal speed in air? | Remains constant |
Created by:
vivalph4