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WorksheetsPhysics Form 4
Total questions: 25
Worksheet time: 50mins
Diagram shows an ice skater skiing on ice. What can be done to increase the speed of the ice skater?
Increase the mass of the tank
Increase the length of the ice skates
Increase the rate of the fuel combustion
Increase the diameter of the tank exhaust
Diagram shows graph of an object that move towards a target and returns to its original position. What is the displacement of the object?
0 m
20 m
40 m
160 m
Diagram shows two identical tops, F and G. Several pieces of aluminum are placed on the top of G. Both tops are then spun simultaneously. What is the concept that causes top G to take a longer time to stop?
Force
Inertia
Impulse
Linear motion
Diagram shows a few passengers on a roller coaster that is installed with safety bars. Which physics law explains the importance of using the safety bars?
Conservation of Momentum
Conservation of Energy
Newton's Second Law of Motion
Newton's First Law of Motion
Diagram shows the forces that are exerted on a cyclist. The mass of the bicycle and the cyclist are 9.5 kg and 70 kg respectively. What is the acceleration of the cyclist?
5.03 m s-2
5.71 m s-2
6.92 m s-2
8.81 m s-2
The diagrams below show the experiments conducted to study the relationship between time of impact, t and impulsive force, F by using trolley of the same mass. Which diagram produces the shortest time of impact, t?
Karim's weight on Earth is 800 N. What will happen to his weight on the moon?
Increased
Decreased
Unchanged
Becomes zero
Diagram shows a luggage being pulled with a force, F = 50 N. Which is the magnitude of Fx?
32.14 N
38.30 N
50.00 N
59.59 N
Which action increases efficiency?
Increase the input energy
Increase the input power
Increase output power
Increase input and output energy
Which action reduces the efficiency of a car?
Using an aerodynamic design
Using a hybrid engine
Lubricating the moving parts
Using high density materials
Diagram shows two identical springs. Spring X is without any load while a load of 1000 N is placed on spring Y. What is the spring constant?
2.0×10−3 N/cm
5.0×102 N/cm
2.0×103 N/cm
5.0×103 N/cm
Diagram shows 5 identical metal rods arranged vertically on a table. The weight of a metal rod is 3 N and its cross-section area is 3.0 × 10-3 m2. What is the pressure exerted by the metal rods onto the table?
3.3 × 102 N m-2
1.0 × 103 N m-2
1.7 × 103 N m-2
5.0 × 103 N m-2
Diagram shows a water container being tilted to increase the outflow of the speed of water. Which factor increases the speed of water ?
Gravity
Depth of water
Volume of water
Density of water
The gas pressure in a container is caused by the collision of gas molecules with the wall of the container. Which one of the changes will increase the gas pressure?
Increase the average velocity of gas molecules
Increase the volume of the container
Decrease the mass of the container
Decrease the temperature of the gas
Diagram shows two syringes of different sizes used to study the Pascal principle. The force applied on the small syringe is 5 N and cross-section area is 5.0 × 10-4 m2. The force produced on the large syringe is 20 N. What is the cross-section area of the large syringe?
1.25 × 10-2 m2
2.00 × 10-3 m2
7.50 × 10-3 m2
1.25 × 10-4 m2
Diagram shows two light cans that are placed on a row of straws. when the student blows air in between the cans, the two cans move closer to each other. This situation can be explained by
Conservation of momentum principle
Archimedes principle
Bernoulli's principle
Pascal's principle
Which pair magnitude of mass and specific heat capacity produces the highest rise in temperature when a substance is heated?
A
B
C
D
A boy tries to break a metal wire by bending and straightening the wire repeatedly. After a while the wire becomes hot. The metal become hot because
Forces between molecules decrease
Wire absorbs heat from surrounding
Kinetic energy of molecules of wire increases
Potential energy of the molecule of wire increases
Diagram shows a graph of the relationship between temperature, Θ and the time, t when an ice changes gradually to steam. Which phase shows the process of the latent heat of fusion being released?
P
Q
R
S
Diagram 14.1 shows a peeled egg is placed on the top of a conical flask that contains a burning candle.
Diagram 14.2 shows the peeled egg moving into the conical flask once the flame of the candle is extinguished. Which pair explains this situation?
A
B
C
D
Diagram shows a convex mirror placed at the corner of a convenience store. Which characteristics of the image are correct?
Real and upright
Real and magnified
Virtual and inverted
Virtual and diminished
Diagram shows a light ray is incident upon a plane mirror. Which pair of angle of incidence and angle of reflection is correct?
A
B
C
D
Diagram shows a reflection of light when the light propagates from air to glass. Which path of light ray is correct when glass is replaced with a denser medium?
A
B
C
D
A diamond glitters when struck by incident rays. This phenomenon is caused by
reflection of light
refraction of light
interference of light
total internal reflection of light
Diagram shows the position of an image formed by a convex lens. Which position of A, B, C, or D, the observer cannot see the image?
A
B
C
D
