# Practise Questions chapter 2

Practise Questions Chapter 2
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This lesson contains 34 slides, with interactive quizzes and text slide.

Lesson duration is: 30 min

## Items in this lesson

Practise Questions Chapter 2

#### Slide 1 -Slide

Which consequences does the racket experience as a result of the ball?
A
Plastic deformation
B
Elastic deformation
C
Change of direction
D
Change of speed

#### Slide 2 -Quiz

Four students are doing a tug of war.
Marlon and Josh both pull to the left with a force of 500 N, Nynke pulls to the right with a force of 400 N and Melek pulls to the right with a force of 150 N.
I Marlon and Josh win,
II The resultant force is 50 N.
Which is correct?
A
Claim I
B
Claim II
C
Both
D
None

#### Slide 3 -Quiz

If you compare Jupiter to the earth the following rule applies;
A
The mass remains the same
B
The weight remains the same
C
The mass is bigger on Jupiter
D
The weight is bigger on Jupiter

Engine Force
Friction
Force of gravity

#### Slide 5 -Drag question

The weight is a force. Which is the unit of force?
A
kg
B
N
C
F

#### Slide 6 -Quiz

How can you calculate the force of gravity
A
Fg = mass x weight
B
Weight = Fg x Mass
C
Fg = weight
D
Fg= mass x 9,6

#### Slide 7 -Quiz

A bag of potatoes whith a mass of 50 kg has a weight of ...... N
A
250
B
500
C
200
D
400

#### Slide 8 -Quiz

A plane is standing still on the ground. What can you say about the resulting force?
A
The resulting force is directed towards the front.
B
The resulting force is directed towards the back.
C
The resulting force is 0 N
D
Nothing

#### Slide 9 -Quiz

A plane is flying with a constant speed through the air. What can you say about the resulting force?
A
The resulting force is directed towards the front.
B
The resulting force is directed towards the back.
C
The resulting force is 0 N
D
Nothing

#### Slide 10 -Quiz

In which direction is the resulting force?
A
B

#### Slide 11 -Quiz

A force of 3 N which work perpendicular on a force of 5 N. Calculate the resulting force.
A
4,0 N
B
5,2 N
C
5,8 N
D
6,0 N

#### Slide 12 -Quiz

There are 2 dynamometers. The first one has a measuring range of 1 N and the second one has a measuring range of 5 N. Calculate which dynamometer contains the stiffest spring.

#### Slide 13 -Open question

What is the resulting force?
A
290 N to the right
B
290 N to the left
C
50 N to the right
D
50 N to the left

#### Slide 14 -Quiz

Forces can be measured with a
A
Scale
B
dynamometer
C
thermometer

#### Slide 15 -Quiz

You suspend a weight of 100 g on a dynamometer. What value will the dynamometer show?

A
1 N
B
10 N
C
100 N
D
1000 N

#### Slide 16 -Quiz

Calculate the mass of a calculater when this calculater is hung on a dynamometer which shows 1 N as a result.
A
0,10 kg
B
10 kg
C
1,0 kg
D
10 g

#### Slide 17 -Quiz

Which kind of force is used here?
A
Magnetic force
B
Electric force
C
Force of gravity
D
Sticky force

#### Slide 18 -Quiz

Which kind of force is used here?
A
Magnetic force
B
Electrical Force
C
Force of gravity
D
Tension force

#### Slide 19 -Quiz

The force which works opposite to Fg is
A
friction
B
normal force
C
electrical force
D
Tension force

#### Slide 20 -Quiz

Where is the center of mass located in the picture?
A
A
B
B
C
C
D
D

#### Slide 21 -Quiz

A bycilcle is more stable when the center of mass is located higher. hoger komt te liggen.
A
True
B
False

#### Slide 22 -Quiz

An object is stable when the center of mass is located above the supporting surface.
A
true
B
false

#### Slide 23 -Quiz

When you draw a force (as an arrow) you need to take 3 properties into consideration. Which 3 are those?
A
Direction, length, point of application
B
Thickness, length, point of application
C
Direction, length, center of mass
D
Thickness, length, center of mass

#### Slide 24 -Quiz

With which formula can you calculate the spring constant?
A
C=xF
B
C=Fx
C
F=xC
D
CF=x

#### Slide 25 -Quiz

What is the Si-unit for the spring constant?
A
k
B
kg/m
C
N/cm
D
N/m

#### Slide 26 -Quiz

Would the line in the graph go more or less steep if the spring constant is higher?
A
Steeper
B
Less steep

#### Slide 27 -Quiz

Calculate the spring constant by using the graph
A
50 N/m
B
2 N/m
C
-50 N/m
D
-2 N/m

#### Slide 28 -Quiz

A spring has a length of 23,2 cm. When 250 g is hung on it it extends to 31,8 cm. Calculate the spring constant
A
0,28 N/cm
B
028 N/m
C
29 N/cm
D
29 N/m

#### Slide 29 -Quiz

A block is suspended on a spring. Is the first law of newton working?
A
Yes
B
No

#### Slide 30 -Quiz

When it snows the breaking distance is longer. How is this possible?
A
The air resistance has been reduced
B
The air resistance has been increased
C
The sliding resistance has been reduced.
D
The sliding resistance has been increased.

#### Slide 31 -Quiz

Which is not a resisting force?
A
Breaking force
B
Pushing force
C
Air friction
D
Rolling friction

#### Slide 32 -Quiz

What is the value of the air friction when the car drives with a constant speed?
A
1000 N
B
1500 N
C
2000 N
D
2500N

#### Slide 33 -Quiz

A cyclist is cycling up a mountain. Which is the resisting force?
A
Force of gravity
B
Rolling friction
C
Air resistance
D
All 3