Answer Assessment 1 in one whole sheet of yellow pad paper.

G8 – SCIENCE ASSESSMENT 1

Name ____________________________ Section_____________

I. Multiple Choices. Read each statement carefully. Write the letter of the best

answer in your answer sheet.

1. What will happen to a moving object if there are no external forces acting on it?

A. It will stop immediately

B. It will go faster and faster

C. It will move with constant velocity

D. It will slow down and eventually come to a stop

2. An object is pulled to the left by a force of 50 N. The same amount of Force

pulls it to the right. The objects will ______________.

A. stay at rest

C. accelerates to the right

B. accelerates to the left

D. change its direction

3. A 50- kg body is acted upon by a net force of 360 N. How much does it

accelerate?

A. 3.6 m/s2

C. 9.8 m/s2

B. 7.2 m/s2

D. 19.6 m/s2 4. How much force is required to accelerate a car with a mass of 500 kg to 50

m/s2?

A. 10 N

C. 25, 000 N

B. 6000 N

D. 30, 000 N

5. The greater the mass of an object, _________________________.

A. the easier the object starts moving

B. the greater is its inertia

C. the more balanced it is

D. the more space it takes up

6. According to Newton’s first law of motion, a moving object that is not acted on

by an unbalanced force will ____________________.

A. remains in motion

B. eventually come to stop

C. transfer its energy to another object

D. accelerate in the absence of friction

7. If the force is held constant, what happens to acceleration as the mass

increases?

A. decreases

C. stays the same

B. increases

D. cannot be determined

8. What type of inertia is shown in this picture?

A. inertia of rest

C. inertia of direction

B. Inertia of motion

D. none of the above

9. The passengers move backward, when the bus starts moving from a rest

position. What type of Inertia is shown?

A. inertia of rest

C. inertia of directionB. Inertia of motion

D. none of the above

10. Our hand feels pain when we hit the table because the table gives force as a

reaction to our hand. What Newton’s Law of motion is shown in the picture?

A. Law of inertia

C. Law of Interaction

B. Law of Acceleration

D. Law of Conservation

11. Pushing a car

A. Law of inertia

C. Law of Interaction

B. Law of Acceleration

D. Law of Conservation

12. Which state of motion states that for every action, there is an equal and

opposite reaction

A. Law of inertia

C. Law of Interaction

B. Law of Acceleration

D. Law of Conservation

13. Which is NOT TRUE?

A. as the net force increases, the object’s acceleration also increases

B. acceleration and mass is directly proportional to the magnitude of the net force

C. If the object has a large mass, there is a small acceleration

14. A nail is driven into a block of wood by a hammer

A. Law of inertia

C. Law of Interaction

B. Law of Acceleration

D. Law of Conservation

15. Pulling a tablecloth from under some dishes without moving the dishesA. Law of inertia

C. Law of Interaction

B. Law of Acceleration

D. Law of Conservation


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