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Motion & Pressure Practice / Study guide

Total questions: 40

Worksheet time: 44mins

Name
Class
Date
1.

On a distance time graph, the distance is plotted on the

a)

x-axis

b)

y-axis

2.

On a distance time graph, the time is plotted on the

a)

x-axis

b)

y-axis

3.
This graph demonstrates an object that is -
a)

Increasing speed

b)

At a constant speed

c)

Decreasing speed

d)

Stationary

4.

Which of the following are correct ways to calculate speed?

Speed =

a)

Distance X Time

b)

Distance / Time

c)

Time / Distance

5.
Which of the following is a unit of time?
a)

seconds

b)

miles

c)

m/s

d)

km

6.

What is the standard unit of speed used in science?

a)

m/s

b)

Kph

c)

mph

d)

Km/s

7.
Which of the following is a unit of distance ?
a)

miles/hr

b)

miles

c)

seconds

d)

minutes

8.
All of the following are units of speed except:
a)

Km/hr

b)

Km

c)

Kilometer per hour

d)

Kilometer/Hour

9.

Average speed =

a)

(total distance) ÷ (total time)

b)

(total distance) x (total time)

c)

(total time) ÷ (total distance)

d)

Speed x time

10.
Which runner won the race?
a)

Albert

b)

Bob

c)

Charlie

11.

Which is faster?

a)

walking

b)

skating

c)

biking

12.

Segment A-B The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

13.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
14.

What happens when you squash the volume of a gas into a smaller volume? (Select 3 answers)

a)

There will be more molecules because of a higher pressure

b)

There will be more collisions between the molecules and the walls of the container

c)

The pressure increases because there are more collisions

d)

The temperature increases because there are more collisions

15.

What happens when you blow a balloon and place it inside the fridge to decrease its temperature? {4 answers}

a)

The molecules move more slowly

b)

The pressure goes down

c)

There are fewer collisions

d)

The balloon will collapse

e)

The balloon will keep its shape

16.

How come we do not feel the atmospheric pressure pushing on us from all directions around us?

{Select two answers}

a)

It cancels itself out

b)

Its cancelled out by the gasses

c)

Its cancelled out by the pressure of the gases and liquids in your body pushing out

d)

It's balanced by our body's internal pressure

17.
In what direction(s) does air exert pressure?
a)

In all directions

b)

In no direction

c)

there is no pressure

18.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

19.

Why are liquids incompressible?

(Select two answers)

a)

The particles in a liquid are touching each other

b)

There is very little space between the particles

c)

Liquids are similar to solids

d)

They have no where to go

20.

What is "upthrust"?

a)

The force that keeps things afloat

b)

The force than pulls you down in water

c)

The force of the water

d)

The upward current in a lake

21.

What produces upthrust?

a)

Gravity

b)

liquid pressure

c)

Liquid temperature

d)

All of these

22.

Where is water pressure the lowest on the dam?

a)

D

b)

C

c)

B

d)

A

23.

which hole has the longest distance?

a)

highest one

b)

the middle one

c)

the deepest one

d)

all of them have the same distance

24.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

25.
Objects A-D are in water. Which is the most dense?
a)
A
b)
B
c)
C
d)
D
26.

A metric ton excavator in this picture is able to operate on the muddy ground without sinking. How is this possible?

a)

It has strong tyres

b)

Humans are not made of metal

c)

It has a large surface area

d)

It has a large mass

27.

If an object's surface area is smaller does it create more or less pressure?

a)

More

b)

Less

c)

The same

28.

State the direction at which pressure acts?

a)

420o

b)

180o

c)

90o

29.

How do you calculate pressure?

a)

Preesure = ForceXArea

b)

Pressure = Force/Area

c)

Pressure = Area/Force

d)

Pressure = Weight

30.

What are the Standard (Internationale) units of pressure?

a)

Newtons

b)

Metres

c)

Newtons/Metres

d)

newtons per metre squared

31.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

32.
Which of these animals would probably cause the greatest pressure on the ground?
a)

A fat cow with big feet

b)

A fat cow with small feet

c)

 A calf with big feet

d)

A calf with small feet

33.

Which situation produces more pressure on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same pressure

34.

Which situation produces more force on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same force

35.
Pressure is measured in what units
a)

Newtons

b)

m/s

c)

Pascals

d)

Moles

36.

Can you figure out the mass of the mystery object?

a)

30 Kg

b)

15 Kg

c)

25 Kg

d)

20 Kg

37.
What is the moment produced by the 15 N?
a)

15 Nm (clockwise)

b)

150 Nm (anti - clockwise)

c)

1.5 Nm (anti - clockwise)

d)

0.15 Nm (clockwise)

38.

Where should this dad sit to balance his son?

a)

0.25 metre mark, right of the pivot

b)

0.25 metre mark, left of the pivot

c)

0.5 metre mark, right of the pivot

d)

0.5 metre mark, left of the pivot

39.
What is the moment acting on the seesaw?
a)

1.6Nm

b)

15Nm

c)

16N

d)

4Nm

40.

Moment can be calculated using the equation:

a)

M = F × d

b)

M = F / d

c)

M = F2 × d

d)

M = F / d2

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