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CSEC Physics - 01 Mechanics

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

Which of the following are fundamental quantities?

a)

Area

b)

Luminous Intensity

c)

Time

d)

Speed

2.

Which of the following are derived quantities?

a)

Force

b)

Mass

c)

Luminous Intensity

d)

Energy

3.

How many fundamental quantities are there?

a)

4

b)

7

c)

9

d)

too many to count

4.

How many derived quantities are there?

a)

4

b)

7

c)

9

d)

too many to count

5.

True/False: When converting from a larger unit to a smaller unit we expect LESS of the smaller unit.

a)

TRUE

b)

FALSE

6.

What is the

UNIT or SI UNIT for mass

a)

kg

b)

kg ms-2

c)

ms2ms^{-2}  

d)

W

7.

What is the SYMBOL for mass

a)

lv

b)

t

c)

m

d)

T

8.

What is the SI UNIT for time?

a)

century

b)

s

c)

N

d)

J

9.

What is the SYMBOL for time?

a)

T

b)

m

c)

t

d)

I

10.

What is the SI UNIT for distance?

a)

J

b)

m

c)

W

d)

s

11.

What is the SYMBOL for distance?

a)

V

b)

d

c)

ρ\rho  

d)

v

12.

Seconds are the SI UNIT for ...

a)

distance

b)

velocity

c)

speed

d)

time

13.

What is the SYMBOL for time

a)

T

b)

v

c)

V

d)

t

14.

What is the SI UNIT for speed?

a)

m

b)

ms1ms^{-1}  

c)

ms2ms^{-2}  

d)

m/s

15.

What is the SYMBOL for speed?

a)

s

b)

t

c)

d)

T

16.

What is the UNIT for acceleration?

a)

ms2ms^{-2}  

b)

Nm

c)

ms1ms^{-1}  

d)

Nm1Nm^{-1}  

17.

What is Δv?

a)

a change or difference in value

b)

a change or difference in velocity

c)

 a change or difference in volume

d)

 a change or difference in variety

18.

What is the UNIT for force?

a)

Watt

b)

Newton

c)

kilogram

d)

Henry

19.

What is the unit for weight?

a)

kilogram

b)

Newton

c)

torque

d)

kilograms per second

20.

ms-1 is the unit for ...

a)

acceleration

b)

velocity

c)

momentum 

d)

force

21.

There may be one or more answers: -

What is the unit for torque, τ?

a)

Neutrons

b)

Newtons

c)

N.m

d)

Newton meters

22.

There may be one or more answers: -

What is the unit for kinetic energy, Ek?

a)

j

b)

Joul

c)

Volt

d)

J

e)

V

23.

There may be one or more answers: - Joule is the unit for...

a)

Work

b)

Kinetic Energy

c)

Elastic Potential Energy

d)

Gravitational Potential Energy

24.

What is the unit for work, w?

a)

Newton

b)

Torque

c)

Joule

d)

metres per second

25.

What is the unit for power, P?

a)

Watt

b)

Newton

c)

Energy

d)

Joule

26.

What is the unit for momentum, ρ?

a)

Moments

b)

kg ms1kg\ ms^{-1}  

c)

kg ms2kg\ ms^{-2}  

d)

inertia

27.

Determine the significant figure(s) of: 0.01010

a)

6

b)

5

c)

4

d)

3

28.

Determine the significant figure(s) of: 100010

a)

6

b)

5

c)

4

d)

3

29.

Determine the significant figure(s): 111000

a)

6

b)

5

c)

4

d)

3

30.

For the following, determine the fundamental quantity.

a)

Volume

b)

Area

c)

Length

d)

Depth

31.

Convert 112.3 ft to m

a)

34.25

b)

34.15

c)

34.13

d)

34.23

32.

What is a PUSH and PULL of an object?

a)

Friction

b)

Force

c)

Motion

d)

Gravity

33.

Why is it harder for the boy in Image B to get down the hill?

a)

Motion

b)

Friction

c)

Work

d)

Displacement

34.

How is gravity affected by mass?

a)

Small object has no gravity

b)

Gravity is not affected by mass, whether large or small

c)

The larger the mass, the greater the object experienced the gravitational attraction

d)

Small objects have less gravity

35.

What is standard unit of force?

a)

Newtons

b)

Pounds

c)

Grams

d)

Meters

36.

How does friction affect speed?

a)

More friction decreases speed

b)

Less friction decreases speed

c)

More friction increases speed

d)

Less friction doesn't affect speed

37.

Newton's third law states that for every action, there is an equal and opposite _____________.

a)

friction

b)

satisfaction

c)

fraction

d)

reaction

38.

Newton's second law says the acceleration of an object depends on its _______________ and ________________.

a)

gravity

b)

applied force

c)

weight

d)

mass

39.

If an object stays still or continues moving at the same speed and in the same direction, it is a ____________ force.

a)

weak

b)

strong

c)

balanced

d)

unbalanced

40.

The rock in the picture is pushed over the edge and it begins to fall. Determine the conversion energy involved.

a)

mechanical to heat

b)

potential to kinetic

c)

sound to mechanical

d)

kinetic to potential