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Worksheetschapter 2:2.1-2.4
Total questions: 30
Worksheet time: 15mins
Acceleration is defined as
rate of change of speed
rate of change of distance
rate of change of velocity
rate of change of displacement
Deceleration means the velocity of an object is
negative
positive
increased
decreased
A car moves with a constant velocity. The acceleration of the car is
increased
decreased
zero
uniformly
Ali walk due north for 8 m before turning to east for 6 m. What is the displacement of the motion?
8 m
10 m
12 m
14 m
A tick on the ticker tapes is
the speed of the ticker timer
the frequency of the ticker timer
the distance between two consecutive dots
the time interval between two consecutive dots
The frequency of a ticker timer is 50 Hz. The time interval between two consecutive dots is
0.01 s
0.02 s
0.1 s
0.2 s
Which of the following ticker tapes describes a motion with constant velocity?
A
B
C
D
Based on the figure above, calculate the acceleration
200 cms-2
400 cms-2
500 cms-2
800 cms-2
Based on the figure above, calculate the average velocity.
0.2 ms-1
0.4 ms-1
0.3 ms-1
0.5 ms-1
What is the final velocity as shown in figure above?
40 cms-1
80 cms-1
150 cms-1
267 cms-1
Figure shows the ticker tape for the motion of a trolley.Which of the following statement is true?
velocity in region DE is same as the velocity in region A B
Frequency in region BC is greater than frequency in region DE
The time in region AB is same as the time in region DE
The velocity in region CD is low
Diagram shows a tape chart for a trolley which travels down an inclined plane. The ticker-timer vibrates at a frequency of 50 Hz. Determine the acceleration of the trolley, in cm s–2?
50
150
250
300
Diagram shows a velocity time graph of a moving car along a straight line. What are the total displacement travelled by the car?
0 m
40 m
150 m
450 m
What is the acceleration of the object in the first 10 seconds, in m s–2?
1.25
2.5
4.0
5.0
The graph shows how the velocity of a car changes with time.Which of the following can be deduced from the graph?
The car accelerates uniformly
The car decelerates until it stops
The car first accelerates and then moves with a steady velocity
The car first decelerates and then moves with a steady velocity
Diagram shows a displacement-time graph of a moving object. What is the average speed of the motion, in m s–1?
1.2
2.4
3.0
6.0
Diagram shows a velocity-time graph of three moving objects, X, Y and Z along a straight line.Which of the following statements is true about the motion of objects X, Y and Z?
Object Y is in stationary.
Object X has greater displacement than objek Y.
Object X has greater displacement than object Z.
Object Z have greater displacement than object X and object Y
A car travelling at 30 m s–1 decelerates to 10 m s–1 after a distance of 20 m. What is the deceleration of the motion, in m s–2?
0.5
1.0
20
40
A trolley starts from rest and is uniformly accelerated to speed of 12 cms-1 in 5 s. What is the distance travelled by the trolley?
16 cm
24 cm
28 cm
30 cm
Newton’s first law of motion states that
energy cannot be created or destroyed.
action force have equal magnitude but opposite direction of reaction force.
force is directly proportional to the rate of change of momentum
every object will stay in its state of rest or constant speed in a straight line, unless external force applied to it.
The inertia of an object is depend on
mass
weight
velocity
momentum
Which of the following situations can explained by principle of inertia?
A moving ball stop after travelled for 10 m.
The velocity of a car increase, when the car accelerate.
An apple falls from an apple tree with constant acceleration.
Passengers in a bus lurch backwards when the bus start to move forward from stationary.
Which object has the greatest inertia?
A
B
C
D
Which of the following is the unit of momentum?
Ns
kg ms-2
kg s-2
kg-1s-2
Principle of conservation of momentum states that
inertia of an object is called momentum.
momentum is directly proportional to mass and velocity.
the total kinetic energy of a collision or an explosion are conserved.
the total momentum of a system is constant, unless external force acts on the system.
Diagram shows object X and object Y before and after an inelastic collision. The mass of object X and object Y are 5 kg and 1 kg respectively.What is the velocity, v of both object after collision,in ms–1?
1.0
2.5
5.8
6.0
The figure above shows two objects A and B of masses 3 kg and 2 kg respectively moving towards each other. Which of the following is not true? [The positive sign if moves to the right and negative sign if moves to the left]
The total of momentum before collision +3 kg ms-1
The total of momentum after collision +3 kg ms-1
The momentum of object A before collision is +15 kg ms-1
The momentum of object B before collision is +12 kg ms-1
Figure shows two trolleys of equal mass,m .
If after collision they stick together, what is the common velocity of the trolleys?
v/4
v/2
v
2v
In an inelastic collision , which of the following is not conserved?
Total amount of mass
Total amount of energy
Total amount of momentum
Total amount of kinetic energy
A bullet of mass 10 g is fired from a rifle of mass 2 kg. If the recoil velocity of the rifle is 1.25 ms-1,what is the velocity of the bullet ?
100 ms-1
150 ms-1
200 ms-1
250 ms-1
