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Introduction quiz

Total questions: 38

Worksheet time: 36mins

Name
Class
Date
1.

Vector is a quantity with:

a)

magnitude and direction

b)

magnitude

c)

direction

d)

none of the above

2.
a)

a is the position vector of point A

b)

b is the direction vector of line L

c)

r is the position vector of all points in L, represented by P(x,y)

3.

Given points A(2, 1) and B(-4, 1). Explain why the vector AB is parallel to the x-axis

a)

because vector AB is a multiple of the unit vector i

b)

because vector AB is a multiple of the unit vector j

c)

because vector AB is a multiple of the unit vector k

4.

A ferry departs from A(-25, 28). It takes 3 hours to reach its destination B(20, -32), travelling in as straight line with constant velocity. Distances are in km. Find the distance that the ferry travels.

a)

50 km

b)

55 km

c)

70 km

d)

75 km

5.

Slope of displacement -time graph gives

a)

velocity

b)

speed

c)

acceleration

d)

displacement

6.

In the v-t graph, a graph parallel to time axis, the the acceleration is

a)

negative

b)

positive

c)

zero

d)

both positive and negative

7.

Calculate the distance traveled by the body between 10 to 20 seconds

a)
b)

100 m

c)

150 m

d)

200 m

e)

250 m

8.

Distance traveled by the body in the last 20 s is

a)
b)

150 m

c)

200

d)

250

e)

300 m

9.

A cycle initially moving with a velocity of 5 ms-1 accelerates for 5 s at a rate of 2 ms-2 , final velocity will be

a)

10 ms-1

b)

100 ms-1

c)

35 ms-1

d)

15 ms-1

10.

Identify the Vector quantities

a)

speed, weight, area

b)

weight, force , momentum

c)

force , current, density

d)

displacement, retardation, non uniform velocity

11.

The unit of linear acceleration is

a)


kg−mkg-m

b)

ms\frac{m}{s}

c)

ms2 \frac{m}{s^{2\ }}

d)

rads2 \frac{rad}{s^{2\ }}

12.

When speed and direction of motion of a body do not change then the body will have:

a)

uniform velocity

b)

uniform acceleration

c)

variable acceleration

d)

variable velocity

13.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
14.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
15.
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.
16.
The formula 
? = mass x acceleration
or 
? = m x a 
is used to find 
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
17.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
18.
When you push a boat off from the dock, you are demonstrating Newton's 3rd Law of Motion. It simply states that for every action there is an equal and opposite _______________?
a)
Motion
b)
Change
c)
Reaction
d)
Push
19.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
20.
The more mass an object has, the faster it will fall.
a)
True
b)
False
21.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
22.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
23.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
24.
If two objects have the same mass, then the faster moving object has ____________ momentum.
a)
more 
b)
less
c)
the same
25.

Force = ma is the formula from

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

26.

The Law of Conservation of Momentum states that the amount of momentum in a system is ___________________ before and after a collision.

a)

greater

b)

decreased

c)

the same

d)

unknown

27.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
28.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4.3756
29.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
30.
Convert the following measurement in the SI units
245 kmh-1
a)
6.8 x 101 ms-1
b)
2.45 x 103 ms-1
c)
6.8 x 1010 ms-1
d)
2.45 x 101 ms-1
31.
Which of the following quantity is base quantity ?
a)
voltage
b)
electric current
c)
electric energy
d)
electric power
32.
Which of the following pairs of physical quantity and SI unit is correct ?
a)
Mass - SI unit : Gram
b)
Time - SI unit : Hour
c)
Electric current - SI unit : Volt
d)
Temperature - SI unit : Kelvin
33.
What is derived quantities ?
a)
a tendency to do nothing or to remain unchanged.
b)
combination of two or more base quantities
c)
the quantity of motion of a moving body, measured as a product of its mass and velocity.
34.

In 2008 Olympic Game, Usain Bolt sets world record at 10 s in Men’s 110 m Final. What is his average speed ?

a)

1100 ms

b)

11 m/s

c)

10 m/s

d)

0.09 m/s

35.

What is the couple of quantities have a same unit?

a)

Energy and force

b)

Energy and Work

c)

Energy and power

d)

Work and power

36.
The International System of Units only includes _____ base units
a)
five
b)
six
c)
seven
d)
eight
37.
Which quantity has the units of length divided by time?
a)
distance
b)
speed
c)
acceleration
d)
displacement
38.

What is the SI unit of electric current?

a)

Ampere (A)

b)

Volt (V)

c)

Ohm

d)

Mole

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