GRADE 7 quizzes with answer key.....pptx

grade 7 quiz with answer key

1. What does a ticker tape diagram indicate if the dots are spaced further apart? A. Moving fast B. Not moving C. Moving slow D. Decelerating

2. A ticker tape diagram with dots that are spaced closer together means that the object is ________________. A. stationary B. moving faster C. moving slowly D. moving in steady speed

3. What does a ticker tape diagram look like if an object is moving faster? A. Dots are spaced further apart. B. Dots are spaced closer together. C. There are many dots in the ticker tape. D. The spaces among the dots are the same.

4. What does it mean if a ticker tape diagram starts off with dots that are spaced further apart but move closer and closer as you go? No acceleration Constant speed Increasing speed Decreasing speed

5. Which of the following is an example of unbalanced forces acting on an object? A. A book resting on a table. B. A car moving at a constant speed on a straight road. C. A ball rolling down a hill. D. A person standing still.

6. A person pushes a box with a force of 30 N to the right, while friction applies a force of 10 N to the left. What is the net force acting on the box? A. 10 N B. 20 N C. 30 N D. 40 N

7. A person pushes a box with a force of 80 N to the right, while friction applies a force of 30 N to the same direction. What is the net force acting on the box? A. 50 N to the left B. 50 N to the right C. 110 N to the right D. 110 N to the left

8. A child is pulling a wagon with a force of 50 N, while another child pulls in the opposite direction with a force of 50 N. What will happen to the wagon? A. It will move in the direction of the first child. B. It will move in the direction of the second child. C. It will remain stationary. D. It will move randomly.