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Form 4 Physics Chapter 2

Total questions: 50

Worksheet time: 36mins

Name
Class
Date
1.

What is the relationship between y and x?

a)

y is directly proportional to x

b)

y is inversely proportional to x

c)

y is increasing with x

d)

y is decreasing with x

2.

Distance is a _________ quantity but displacement is a _________ quantity.

a)

scalar, vector

b)

vector, scalar

c)

base, derived

d)

derived, base

3.

Ticker timer is a device to analyze the motion of a trolley. What can we measured by the ticker tape pattern?

a)

Initial velocity of the trolley

b)

Final velocity of the trolley

c)

Acceleration of the trolley

d)

Mass of the trolley

4.

The frequency of ticker timer is 50 Hz. What is the time taken for two dots made?

a)

0.01 s

b)

0.02 s

c)

0.1 s

d)

0.2 s

5.

The ticker tape chart shows that the trolley is having (a)  

6.

A motorcycle moves from rest with an acceleration of 10 m s-2 for 5 seconds. Find its final velocity.

a)

5 m s-1

b)

10 m s-1

c)

50 m s-1

d)

100 m s-1

7.

A linear motion equation states that v = u + at. What is symbolized by u?

a)

Initial velocity of object

b)

Final velocity of object

c)

Acceleration of object

d)

Time taken for the motion

8.

What happen to the motion of objects during BC?

a)

Increasing velocity

b)

Decreasing velocity

c)

Constant velocity

d)

Zero velocity

9.

The motion of an object falling only by the influence of gravity is called (a)  

10.

A student draws graph y against x. The relationship between y and x is y = r + px, r and p are constants. The gradient of graph y against x is

a)

p

b)

r

c)

y

d)

x

11.

what is relationship between v and t ?

a)

v is directly proportional to t

b)

v is increases linearly to t

c)

v is decreases linearly to t

d)

v is inversely proportional to t

12.

Which of the following lists of physical quantities consists only of scalars?

a)

time, mass, velocity

b)

mass, velocity, acceleration

c)

speed, volume, work

d)

velocity, acceleration, force

13.
What is the speed of an object at rest?
a)
9.81 m/s
b)
1 m/s
c)
0 m/s
d)
10 m/s
14.
Which of the following situations represents a negative displacement?(Assume positive position is measured vertically upward along ay-axis.)
a)
A cat stands on a tree limb.
b)
 A cat jumps from the ground onto a tree limb.
c)
A cat jumps from a lower tree limb to a higher one.
d)
A cat jumps from a tree limb to the ground.
15.
Which of the following units is the SI unit of velocity?
a)
meter
b)
meter•second
c)
meter per second
d)
second per meter
16.
The slope of a line drawn tangent to a point on the curve of a position versus time graph describes what concept? 
a)
 acceleration
b)
instantaneous velocity
c)
displacement
d)
position
17.
Acceleration is defined as
a)
a rate of displacement
b)
the rate of change of displacement.
c)
the change in velocity
d)
 the rate of change of velocity.
18.
What is the SI unit of acceleration? 
a)
m/s
b)
m2 /s
c)
m/s2
d)
m•s2
19.
The graph above describes the motion of a ball. At what point does the ball have an instantaneous velocity of zero
a)
1 second
b)
2 seconds
c)
3 seconds
d)
4 seconds
20.
Acceleration due to gravity is also called
a)
negative velocity
b)
displacement
c)
free-fall acceleration
d)
instantaneous velocity
21.
When there is no air resistance, objects of different masses dropped from rest
a)
fall with equal accelerations and with equal displacements.
b)
fall with different accelerations and with different displacements.
c)
. fall with equal accelerations and with different displacements.
d)
fall with different accelerations and with equal displacements.
22.
Objects that are falling toward Earth in free fall move
a)
faster and faster
b)
slower and slower
c)
at a constant velocity
d)
slower then faster. 
23.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
. the feather
b)
the metal bolt
c)
They would hit the ground at the same time
d)
They would be suspended in a vacuum
24.
What is the name of the length of the straight line drawn from an object’s initial position to the object’s final position?
a)
displacement
b)
distance
c)
velocity
d)
acceleration
25.
Which of the following line segments on a velocity versus time graph is physically impossible?
a)
horizontal line
b)
straight line with positive slope
c)
straight line with negative slope
d)
vertical line
26.
A baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At what point in the ball’s path does it experience zero velocity and nonzero acceleration at the same time?
a)
midway on the way up
b)
at the top of its path
c)
the instant it leaves the catcher’s hand
d)
            the instant before it arrives in the catcher’s mitt
27.

A person walks toward the front of a train at 5 km/hr. The train is moving 80 km/hr with respect to the ground, so the walking person's speed is what ?

a)

75 km/hr

b)

85 km/hr

c)

37.5 km/hr

d)

42.5 km/hr

28.

A person walks 70 meter east, then 40 meter west. What is the total distance traveled by the person?

a)

110 meters

b)

30 meters

c)

55 meters

d)

30 km

29.

A person walks 70 meter east, then 40 meter west. What is the total displacement traveled by the person?

a)

110 meters

b)

30 meters

c)

55 meters

d)

30 km

30.

Distance traveled / time elapsed is the formula for what ?

a)

Average velocity

b)

Average speed

c)

Instantaneous velocity

d)

Instantaneous speed

31.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
32.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
33.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
34.
The tendency of an object to stay in motion or at rest is called 
a)
velocity
b)
acceleration
c)
speed
d)
inertia
35.
When two children of equal weight sit at opposite ends of a seesaw, they create
a)
gravity
b)
unbalanced forces
c)
motion
d)
balanced forces
36.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
37.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
38.
An object at rest stays at rest unless acted upon by an outside force is part of ...
a)
Newton's First Law
b)
Newton's Second Law 
c)
Newton's Third Law
d)
Darwin's Theory of Natural Selection
39.
According to Newton's First Law of Motion...
a)
 An object in motion will slow down when moving down a hill.
b)
An object in motion will stay in motion unless acted upon by an outside force.
c)
An object in motion will always move sideways when acted upon by an outside force.
d)
An object in motion will stay in motion when it is acted upon by an outside force.
40.
A change in velocity over time is...
a)
Weight 
b)
Speed
c)
Acceleration
d)
Force 
41.
When forces are balanced, the net force ....
a)
Is greater than the sum of the forces
b)
Is zero 
c)
Is negative 
d)
Is equal to the largest force
42.
A soccer ball takes 20s to roll 10 m. What is the average speed of the soccer ball?
Speed = distance/time 
a)
200 m/s
b)
5 m/s
c)
2 m/s
d)
0.5 m/s
43.
What is the acceleration of an object that speeds up from 1m/s to 5m/s in 2 seconds?
a)
2meters/seconds
b)
2meters/second squared
c)
4 meters per second
d)
4 meters per second squared
44.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
45.
Four solid balls, each with a different mass (5, 10, 15, and 20 kg), are moving at the same speed.  Which ball would require the most force to stop its motion? 
a)
Ball with a mass of 5 kg
b)
Ball with a mass of 10 kg
c)
Ball with a mass of 20 kg
d)
Ball with a mass of 15 kg 
46.

The acceleration of an object is inversely proportional to the net force acting on it.

a)

True

b)

False

47.
A car with a velocity of 22 m/s is accelerated uniformly at the rate of 1.6 m/s2 for 6.8 s.  
What is its final velocity? 
a)
32.8 m/s
b)
11.1 m/s
c)
33 m/s
d)
11 m/s
48.
Determine the displacement of a plane that experiences uniform acceleration from 66 m/s to 88 m/s in 12 s. 
a)
1.8 m/s2
b)
790 m
c)
130 m
d)
920 m
49.
A race car can be slowed with a constant acceleration of 11 m/s2.
If the car is going 55 m/s, how many meters will it travel before it stops?
a)
140 m
b)
5.0 s
c)
2.5 m
d)
Does Not Exist
50.
A car is traveling 20.0 m/s when the driver sees a child standing on the road. She takes 0.80 s to react, then steps on the brakes and slows at 7.0 m/s2. How far does the car go before it stops? 
a)
16 m
b)
29 m
c)
45 m
d)
None of the above.

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