WorksheetsMiss Liyana_QUIZ 3 (PART 2) SP015 SEM 1, SESI 2023/2024
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
1. Below are types of forces EXCEPT
a)
A. Normal force
b)
B. Friction
c)
C. Weight
d)
D. Extreme force
2.
2. What is a force that works AGAINST MOTION?
a)
A. force
b)
B. friction
c)
C. weight
d)
D. normal
3.
3. An object is moving to the right with a constant speed. Which of the following statements is correct?
a)
A. There are no forces acting on an object
b)
B. There may be many force acting on the object
c)
C. There is a larger number of forces acting on the object to the right than to the left.
d)
D. There is no net force acting on the object.
4.
4. For every action there is an equal but opposite reaction is the definition of
a)
A. Newton's first law of motion
b)
B. Newton's third law of motion
c)
С. The law of conservation of momentum
d)
D. Newton's second law of motion
5.
5. A person is pushed forward into their seatbelt when a car stops. Which of Newton’s laws explains this motion?
a)
A. Newton’s First Law
b)
B. Newton’s Second Law
c)
C. Newton’s Third Law
d)
D. Newton’s First Law and Third Law
6.
6. A particle is in equilibrium state when it is at __________ if originally at rest or has a constant__________ if originally in motion.
a)
A. motion, acceleration
b)
B. kinetic, velocity
c)
C. acceleration, kinetic
d)
D. rest, velocity
7.
7. How do the magnitude of static and kinetic friction can be compared?
a)
A. They are equal
b)
B. The magnitude of kinetic friction is greater
c)
C. The magnitude of static friction is greater
d)
D. Magnitude of kinetic friction always twice the magnitude of static friction
8.
9. 2 masses are attached together with a string, T1. If a student try to pull the masses with anotherstring, T2 at an angle, ϴ as shown below, choose the correct free body diagram for mass 2.
a)
A.
b)
B.
c)
C.
d)
D.
9.
10. Which of Newton’s laws explains the diagram below?
a)
A. Newton’s First Law
b)
B. Newton’s Second Law
c)
C. Newton’s Third Law
d)
D. All of above.
10.
11. Friction acts in opposite direction and it can affect an object to
a)
slow down
b)
stop
c)
slow down and stop
d)
speed up
11.
12. A force applied on an object can change its
a)
shape
b)
volume
c)
size
d)
color
12.
13. A nonzero force causes a ________ in the object's __________
a)
motion; mass
b)
change; mass
c)
mass; motion
d)
change; motion
13.
15. FIGURE BELOW shows a block of mass m at rest on a rough plane. How many forces (basic) react on this block?
a)
A. 2
b)
B. 3
c)
C. 4
d)
D. 5
14.
16. Three boxes are connected by stretchless strings and are pulled by a force F as shown in the figure. Which box has the greatest acceleration?
a)
A
b)
B
c)
C
d)
They have the same acceleration
15.
17. “Rate of change of momentum of an object is directly proportional to the net force acting on it”. This statement is related to _________
a)
A. Newton’s First Law
b)
B. Newton’s Second Law
c)
C. Newton’s Third Law
d)
D. Conservation of Linear Momentum
16.
18. When a pair of balanced forces acts on an object, the net force is .......
a)
A. greater in size than one of the forces.
b)
B. equal in size to one of the forces.
c)
C. equal to zero.
d)
D. greater in size than both forces combined.
17.
19. If two metal blocks of different masses slide freely down the same frictionless inclined plane, which one of the following statements is true?
a)
They have equal accelerations
b)
They have unequal accelerations, but the forces acting on them are equal
c)
The heavier block reaches the bottom first
d)
The lighter block reaches the bottom first
18.
20. A cricket batsman hits a ball with a bat. If the force with which the bat hits the ball is considered as the action force, what is the reaction force?
a)
The force the bat exerts on the batsman's hands
b)
The force on the ball exerted by the hand of the person who catches it
c)
The force the ball exerts on the bat
d)
Friction as the ball rolls to a stop
19.
21. According to Newton’s third law of motion, when a hammer strikes and exerts a force on a nail, the nail
a)
A. disappears into the wood
b)
B. moves at a constant speed.
c)
C. exerts an equal force back on the hammer.
d)
D. creates a friction with the hammer.
20.
22. An object is moving to the right at a constant speed. Which one of the following statements must be correct?
a)
No forces are acting on the object
b)
Larger number of forces are acting on the object to the right than to the left
c)
Net force acting on the object is to the right
d)
No net force is acting on the object
21.
23. What are balanced forces?
a)
Forces in the same direction
b)
Forces of the same size
c)
forces of the same size in opposite directions
22.
24. In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
23.
26. This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
24.
27. The figure shows the forces acting on a car moving at a constant speed. Which force would have to increase to make the car accelerate?
a)
A
b)
B
c)
C
d)
D
25.
28. A passenger who is standing and facing forward in a moving bus suddenly falls forward. This can be an indication of which of the following?
a)
A. The bus speeds up.
b)
B. The bus slows down.
c)
C. The bus doesn’t change its speed.
d)
D. The bus turns to the right.
e)
E. The bus turns to the left.
26.
32. An antique watch is pulled with a horizontal force F which makes an angle θ with the wall. T is the tension of the string and W is the weight. The relationship between T, F and W is...
a)
W = T + F
b)
W = T cos θ
c)
F = T cos θ
d)
F = W sin θ
27.
33. Two blocks are attached by a compressed spring and are initially held at rest on a frictionless surface. The blocks are then released simultaneously. If block I has four times the mass of block II, which of the following quantities is the same for both blocks as the spring pushes the two blocks away from each other?
a)
A. Speed
b)
B. Velocity
c)
C. Acceleration
d)
D. Displacement
e)
E. Force on each block
28.
34. The biker travels at constant velocity. All of the following are true EXCEPT
a)
he has a net force acting on him.
b)
the force of friction acts opposite the direction of his motion.
c)
the normal force is equal to his weight.
d)
the force of friction is equal to the forward force he applies.
29.
35. An object is thrown straight up. How do we compare the net force on the object to its weight when it is at the highest point in the path?
a)
A. It is greater than the weight
b)
B. It is slightly less than the weight
c)
C. It is zero
d)
D. It is equal to the weight
e)
E. It can’t be determined
30.
36. What is the free body diagram for object A?
a)
A
b)
B
c)
C
d)
D
31.
37. After firing a cannon ball, the cannon moves in the opposite direction from the ball. This an example of:
a)
A. Newton’s First Law
b)
B. Newton’s Second Law
c)
C. Newton’s Third Law
d)
D. Newton’s Law of Gravitation
32.
38. In the absence of an external force, a moving object will
a)
A. slow down and come to a stop
b)
B. speed up
c)
C. move with a constant speed in a straight line
d)
D. turn to the right
e)
E. turn to the left
33.
39. A water tank filled up to 2/3 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would
a)
Move backward
b)
Move forward
c)
Come to the rest
d)
Be unaffected
34.
40. The seat belts are provided in the cars so that if the car stops suddenly due to an emergency braking, the persons sitting on the front seats are not thrown forward violently and saved from getting injured. Can you guess the law due to which a person falls in forward direction on the sudden stopping of the car?
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
d)
Newton’s law of gravitation
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