# 2TV_Motion&Forces_PracticeTest

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Slide 1: Slide
ScienceMiddelbare schoolvwoLeerjaar 2

This lesson contains 15 slides, with interactive quizzes and text slide.

Lesson duration is: 30 min

## Items in this lesson

#### Slide 1 -Slide

Wrong or Right?
1. Plastic deformation is permanent.
2. Cracking a nut is an example of elastic deformation.
A
Only statement 1 is Right
B
Only statement 2 is Right
C
Both statements are right
D
Both statements are wrong

#### Slide 2 -Quiz

How do you calculate the force of gravity on earth? (if m in kg)
A
Fg= m / 9.8
B
Fg = m
C
Fg = m * 9.8
D
Fg= 9.8 / m

#### Slide 3 -Quiz

Calculate the force due to gravity on a bucket of snow of 4.5 kg. Show calculation, answer and UNIT!

#### Slide 4 -Open question

Which spring is the strongest?
A
Spring C
B
Spring D

#### Slide 5 -Quiz

Which spring is the strongest?
A
A
B
B
C
C
D
D

#### Slide 6 -Quiz

A spring is 20.5 cm long when nothing is hanging from it and 32.5 cm when a weight of 500 gram is hanging from it. Calculate the spring constant.

#### Slide 7 -Open question

The unit of weight is
A
W
B
kg
C
N
D
F

#### Slide 8 -Quiz

The best definition of weight is
A
The force the earth exerts on an object
B
The weight is the same as the mass.
C
The force of gravity on an object
D
The force that an object exerts on its support

#### Slide 9 -Quiz

The best definition of Force of Gravity
A
The force the earth exerts on an object
B
The mass of an object
C
May the force be with you.
D
The force that an object exerts on its support

#### Slide 10 -Quiz

Lifting a rock of 10 kg on the planet Pluto requires only 6.6 N.
What is the value of g (in N/kg) there?
A
6.6
B
66
C
0.66
D
0.066

#### Slide 11 -Quiz

Why doesn't a planet fall in a straight line towards the Sun?

#### Slide 12 -Open question

At which position should the 20 kg mass be placed to balance the seesaw?
A
2
B
3
C
4
D
6

#### Slide 13 -Quiz

At which position should the 20 kg mass be placed to balance the seesaw?
A
2
B
4
C
5
D
6

#### Slide 14 -Quiz

At which position should the 20 kg mass be placed to balance the seesaw?
A
2
B
3
C
4
D
5