Experiment and explain finding resultant force of several forces on the same plane acting on objects.
Track each student's skills and progress in your Mastery dashboards
Give this quiz to my class
Q 1/20
Score 0
1. According to Source 5, when does acceleration occur?
30
When there is a change in velocity.
Only when an object is speeding up.
When an object is moving at high speed.
When an object is at rest.
Q 2/20
Score 0
2. What simple definition of acceleration is provided in Source 5?
30
The speed with direction.
The rate of change of velocity.
The force acting on an object.
The distance travelled over time.
20 questions
Q.
1. According to Source 5, when does acceleration occur?
1
30 sec
SC8.FM.1
Q.
2. What simple definition of acceleration is provided in Source 5?
2
30 sec
Q.
3. Which of these scenarios, described in Source 5, involves acceleration?
3
30 sec
Q.
4. What does Source 5 emphasize as a common misunderstanding about acceleration?
4
30 sec
Q.
5. Which of the following is a unit of acceleration, as discussed in Source 5?
5
30 sec
Q.
6. A car accelerates from rest to 20 metres per second in 5 seconds. What is its acceleration?
6
30 sec
Q.
7. A cyclist is travelling at a constant speed of 10 metres per second. They then apply the brakes and come to a complete stop in 2 seconds. What is their acceleration?
7
30 sec
Q.
8. A ball is thrown straight up in the air. At its highest point, its velocity momentarily becomes zero. Is the ball accelerating at this point?
8
30 sec
Q.
9. A car is travelling at a speed of 30 kilometres per hour. It makes a U-turn and continues travelling at 30 kilometres per hour in the opposite direction. Has its velocity changed?
9
30 sec
Q.
10. A train is travelling at a constant speed of 60 kilometers per hour. It approaches a station and slows down to 10 kilometers per hour. Is the train undergoing acceleration?
10
30 sec
Q.
11. Source 5 states that "acceleration will only exist when there is a change in velocity." Why does a change in direction also imply a change in velocity, even if speed remains constant?
11
30 sec
Q.
12. How does the understanding of acceleration refine our comprehension of motion beyond just speed and distance?
12
30 sec
Q.
13. Source 5 mentions that "Acceleration and Velocity are in the same direction!" What does this statement imply about the relationship between acceleration and velocity?
13
30 sec
Q.
14. Can an object be accelerating even if its speed is constant? Explain your answer.
14
30 sec
Q.
15. Source 5 begins by describing familiar feelings associated with acceleration. Why is this an effective way to introduce the concept?
15
30 sec
Q.
16. An object at rest starts accelerating at a constant rate of 3 metres per second squared. What will its velocity be after 4 seconds?
16
30 sec
Q.
17. A car is travelling at a velocity of 20 metres per second to the east. It accelerates at a rate of -4 metres per second squared for 3 seconds. What is its final velocity?
17
30 sec
Q.
18. A rocket is launched upwards with an initial velocity of 50 metres per second. It accelerates at a rate of 10 metres per second squared for 5 seconds. What is its final velocity?
18
30 sec
Q.
19. A ball is thrown downwards from a building with an initial velocity of 10 metres per second. It accelerates downwards due to gravity at a rate of 9.8 metres per second squared. What is its velocity after 2 seconds?
19
30 sec
Q.
20. A train travelling at 25 metres per second applies its brakes, resulting in a constant deceleration of 2 metres per second squared. How long will it take for the train to come to a complete stop?
