GROUP 11
Emba, Moad A.
Mohamad, Bainor L.
Perez, Rhea Fe O.
Binary Choice Exam
I.
Law of Inertia
I(a). Identify various forces acting on an object.
Instructions: Write G if the statement is gravitational force and write F if the
statement is frictional force.
______ 1. A little girl rides a bicycle on the road.
______ 2.A man standing.
______ 3. A falling coconut.
______ 4. Moving car towards the clip.
______ 5. Two sticks being rubbed together.
II.
Law of Acceleration
II(b). Indicate the acceleration of a free-falling object
Instructions: Encircle T if the statement is true and F if the statement is false.
T F 6. A leave falling from the tree is a free-falling.
T F 7. A sky diver uses parachute to land smoothly is a free-falling.
T F 8. A feather falls first than the stone upon dropping in height.
T F 9. The acceleration change depends upon the object mass.
T F 10. Throwing an airplane paper opposes the gravity because airplane paper
acquired acceleration upon throwed.
III.
Law of Interaction
III(a). Identify action-reaction force pairs for any physical situation
Instructions: Write True if the statement is correct and False if the statement is
incorrect.
______11. When two cars collide with equal mass, they will accelerate at different
rate.
______12. A girl pushes the trolley A into trolley B, the forces will NOT accelerate.
______13. Your foot pushes but the ground does not push back.
______14. Hammering a nail and the nail exerts equal force on the hammer.
______15. Tire pushes on road then road pushes tire.
Matching Test Items
II. Law of Acceleration
II(a). Describe the motion of objects in terms of distance, speed, velocity and
acceleration.
Instructions: Column A are lists of examples of concepts in Column B. Indicate which
Column B matches the examples by placing the appropriate letter to the left before the
number. Each concept can only be used once.
Column A
Column B
______ 16. Used for comparison to determine
A. acceleration
if something is in motion.
B. displacement
______ 17. The interval between two locations
C. distance
measured along the actual path connecting them.
D. deceleration
_______ 18. Is the shortest path in a straight line.
E. friction
between the initial position and final position.
F. motion
_______ 19. Refers to how fast an object moves.
G. momentum
_______ 20. Refers to how fast and in what direction
H. reference point
an object moves.
I. speed
_______ 21. Is change in velocity.
J. velocity
_______ 22. The movement of an object brought about
by force.
_______ 23. Quantity of motion of a moving body
as a product of its mass and velocity.
_______ 24. The action of one surface or object rubbing
against another.
_______ 25. a decrease in speed as the body moves away
from the starting point
Multiple Choice Item
I.
Law of Inertia
I(a). Identify various forces acting on an object
Instructions: Encircle the letter of the correct answer.
26. What do you called when the object push or pull with mass causes it to the
change its velocity?
a. friction
b. force
c. gravity
d. speed
27. What is the measure of how fast an object moves in a given direction?
a. force
b. magnitude
c. motion
d. velocity
28. When you throw a ball to the ground, you give it energy. What energy is it?
a. friction
b. gravity
c. speed
d. velocity
29. What is a phenomenon through which a body changes its location overtime?
a. friction
b. magnitude
c. motion
d. speed
30. One traveling at exact velocity of the body and other traveling at a steady
velocity relative to the body, what law is it?
a. law of acceleration
b. law of conservation of momentum
c. law of inertia
d. law of interaction
I(b). Identify examples of Newton’s law of Inertia
Instructions: for items 31-35, Identify which of the following situations are the application
of the law of inertia.
31.
a. Stopping a moving ball rolling on the ground
b. Reducing the weight of racing cars to increase their speeds
c. The electric fan continues to move for a period after the electricity is turned off.
d. While swimming, a person pushes the water backwards and the water pushes the
swimmer forward with the same force.
32.
a. When you paddle a boat, the boat goes forward.
b. Swirling of milk continues even after stopped swirling.
c. You’re riding a bike then suddenly you hit a large rock and bike stops.
d. A mountain climber exerts more forces on his legs to reach the summit of Mt. Apo.
33.
a. When the bus is suddenly stopped, driver and passenger move forward.
b. If a football moving upward towards the peak, then there is force acting on it.
c. When a hammer strikes and exerts force on a nail, the nail exerts an equal force back
on the hammer.
d. An object is moving to the right and slowing down, then the net force on the object
directed towards the left.
34.
a. Lifting an empty bag is easier compared to heavy bag.
b. Swirling glass of milk does not stop swirling immediately.
c. Whenever you stand or sit on the ground, you feel nothing.
d. When you pull an elastic bond it automatically return to its original position.
35.
a. A ball is able to bounce from the ground.
b. When a basketball hits, the board and it comes back
c. When we pedal a cycle, it moves from rest to motion.
d. Punching or kicking an object, it may break due to our force.
II. Law of Acceleration
II(a). Describe the motion of objects in terms of distance, speed, velocity and
acceleration.
Instructions: Encircle the letter of the best answers.
36. Which describes how velocity changes with time?
a. acceleration
b. gravity
c. inertia
d. speed
37. When you graph the motion of object, what do you put on the horizontal and vertical
axis?
a. distance, time
b. speed, distance
c. speed, time
d. time, speed
38. What do you need to know to describe velocity?
a. speed and time
b. speed and direction
c. speed and acceleration
d. direction and acceleration
39. Which of the following statement describes the motion of object?
a. The object moved at a constant speed.
b. The object accelerated at a constant rate.
c. The average speed of object was less than 1m/s.
c. The instantaneous speed of the object was greater than 1 m/s.
40. What is distance travelled divided by the time taken to travel the distance.
a. mass
b. momentum
c. motion
d. speed
II(b). Indicate the acceleration of a free-falling object
Directions: encircle the letter of the correct answer.
41. A skydiver uses parachute to counteract the force of gravity. This is an example of?
a. air resistance
b. acceleration
c. deceleration
d. friction
42. A volleyball player tosses the ball and the ball goes down spontaneously. What
example is this?
a. air resistance
b. force
c. Friction
d. free-fall
43. neglecting the presence of air, what happen if we drop a hammer and a feather?
a. The hammer and the feather would fall at the same acceleration
b. The hammer will fall first before the feather.
c. The feather will fall first before the hammer.
d. The hammer and feather will stay on their location.
44. at the condition of free-fall, both coin and feather gain same acceleration of about?
a. 7.8 m/s2
b. 8.8 m/s2
b. 9.8 m/s2
c. 10 m/s2
45. What causes the coin to reach the ground first than the feather upon dropping?
a. acceleration
b. free-fall
c. friction
d. mass
III. Law of Interaction
III(b). Calculate the momentum.
Instructions: Encircle the letter of the best answer.
46. What is the momentum of a 1200 kg automobile traveling at a 25 m/s?
a. 20,000 kg.m/s
b. 25,000 kg.m/s
c. 30,000 kg.m/s
d. 35,000 kg.m/s
47. When the combined mass of a child and wagon is equal which is 22 kg and the
velocity is 1.5 m/s?
a. 15 kg.m/s
b. 18 kg.m/s
c. 33 kg.m/s
d. 33 kg.m/s
48. A 1200 kg car’s parking brake has field, and the momentum of the vehicle has
increased to 7800kg.m/s. How fast the vehicle moving?
a. 4.5 m/s
b. 5.0 m/s
c. 6.5 m/s
d. 7.0 m/s
49. A school bus traveling at 40 km/h(11.1m/s) has the momentum of 152,625 kg.m/s.
What is the mass of the bus?
a. 10,750 kg
b. 11,750 kg
c. 12,750 kg
d. 13,750 kg
50. What is the momentum of a rolling ball having 2 kg mass and velocity of 6/m?
a. 10 kg.m/s
b. 11 kg.m/s
c. 12 kg.m/s
d. 13 kg.m/s