I cant do number 27. 1425. A car which is initially at rest rolls down a Asmooth inclined plane as shown below.Which of the speed-time graphs best representsthe motion of the car?A speedB speedC speedCA frictionC weight4020-time26. A heavy-laden trolley in a supermarket is difficultto start from rest and difficult to stop while it ismoving. This is due to itsB inertiaD0+time11 20D speed27. The following graph represents two objects Aand B in a state of linear motion. Which one ofthe following statements is correct?velocity/m s-13momentum4 5B0-Atimetime/stimeBA B overtakes A at the end of the third second.B overtakes A at the end of the fifthsecond.In the first three seconds, the averagespeed of B is greater than that of A.DIn the first five seconds, the average speedof B is greater than that of A.( )All About Physics: Multiple-Choice Questions Workout 'O' level28. A car slides down an inclined surface PQ andmoves horizontally along QS. QR is a roughsurface whilst PQ and RS are frictionless.Between which of the following points onits path does the object move with constantspeed?A P and QCR and SwoleAC29. On which of these slopes does the ball rolldown with increasing speed and decreasingacceleration? (Neglect frictional forces)v/m ssmooth surface16.rough surface smooth surfaceRein aS8930. The figure below shows the acceleration-timegraph of an object, moving towards the right.a/m s-2A2C v/m s¹168:8:aB Q and RDQ and SWhich of the following curves correctly showsthe velocity-time graph of the object?AB24 t/sB24 t/sDD24v/m s16-168v/m s-1-t/st/s-t/s

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Description: I cant do number 27. 1425. A car which is initially at rest rolls down a Asmooth inclined plane as shown below.Which of the speed-time graphs best representsthe motion of the car?A speedB speedC speedCA frictionC weight4020-time26. A heavy-laden trol

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Answered: 27. The following graph represents two…

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27. The following graph represents two objects A and B in a state of linear motion. Which one of the following statements is correct? na velocity/m s-¹ 40- 20 0 1 2 3 4 5 B -A -time/s

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Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

I cant do number 27.

14
25. A car which is initially at rest rolls down a A
smooth inclined plane as shown below.
Which of the speed-time graphs best represents
the motion of the car?
A speed
B speed
C speed
C
A friction
C weight
40
20-
time
26. A heavy-laden trolley in a supermarket is difficult
to start from rest and difficult to stop while it is
moving. This is due to its
B inertia
D
0
+time
1
1 2
0
D speed
27. The following graph represents two objects A
and B in a state of linear motion. Which one of
the following statements is correct?
velocity/m s-1
3
momentum
4 5
B
0
-A
time
time/s
time
B
A B overtakes A at the end of the third second.
B overtakes A at the end of the fifth
second.
In the first three seconds, the average
speed of B is greater than that of A.
D
In the first five seconds, the average speed
of B is greater than that of A.
( )
All About Physics: Multiple-Choice Questions Workout 'O' level
28. A car slides down an inclined surface PQ and
moves horizontally along QS. QR is a rough
surface whilst PQ and RS are frictionless.
Between which of the following points on
its path does the object move with constant
speed?
A P and Q
CR and Swole
A
C
29. On which of these slopes does the ball roll
down with increasing speed and decreasing
acceleration? (Neglect frictional forces)
v/m s
smooth surface
16.
rough surface smooth surface
R
ein a
S
89
30. The figure below shows the acceleration-time
graph of an object, moving towards the right.
a/m s-2
A
2
C v/m s¹
16
8:
8:
a
B Q and R
DQ and S
Which of the following curves correctly shows
the velocity-time graph of the object?
A
B
24 t/s
B
24 t/s
D
D
24
v/m s
16-
16
8
v/m s-1
-t/s
t/s
-t/s

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