1) What makes a car move faster in a slope surface? a) If the angle is high b) If the angle is sharp c) If the angle is low d) If the angle is shallow 2) Why does pulling at a larger angle (like 60°) require more force? a) Because more force goes forward b) Because the slope become steeper c) Because the cart becomes lighter d) Because the wheels stop working 3) If you pulled the cart at 10°, what would happen compared to pulling at 30° or 60? a) It would need the least force b) It would need the most force c) It would not move at all d) It would bounce up and down 4) What happen to the cart when no force is applied? a) It keeps moving faster b) It stays at rest c) It rolls by itself d) It moves backward 5) Which of the following shows that no work is done? a) Pulling the cart and it moves forward b) Lifting the cart upward and it changes position c) Pushing the cart but it does not move d) Pulling the cart at an angle and it rolls across the floor

Work

על ידי
הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?