# Homework - Terminal velocity, Newton's 1st law

Homework - Terminal velocity
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Slide 1: Tekstslide
ScienceLower Secondary (Key Stage 3)

In deze les zitten 17 slides, met interactieve quizzen en tekstslides.

Lesduur is: 50 min

## Onderdelen in deze les

Homework - Terminal velocity

#### Slide 2 -Tekstslide

What is the force that causes an object to accelerate towards the ground when dropped?
A
Buoyancy
B
Friction
C
Gravity
D
Magnetism

#### Slide 3 -Quizvraag

On Earth, at what rate do objects accelerate towards the ground in a gravitational field?
A
12.5 m/s2
B
9.8 m/s2
C
15 m/s2
D
5 m/s2

#### Slide 4 -Quizvraag

What is the term for the constant velocity reached by a falling object in a fluid due to balanced forces?
A
Maximum speed
B
Velocity equilibrium
C
Free fall
D
Terminal velocity

#### Slide 5 -Quizvraag

What factors determine the terminal velocity of an object falling through a fluid?
A
Temperature and speed
B
Fluid type and surface area
C
Weight and shape
D
Color and size

#### Slide 6 -Quizvraag

In the absence of air resistance, all objects fall with the same acceleration due to which force?
A
Electricity
B
Momentum
C
Gravity
D
Tension

#### Slide 8 -Tekstslide

According to Newton’s first law, what is needed to start a stationary object moving?
A
inertia
B
friction
C
a resultant force
D
gravity

#### Slide 9 -Quizvraag

What is required to slow down or speed up a moving object according to Newton’s first law?
A
a resultant force
B
inertia
C
momentum
D
kinetic energy

#### Slide 10 -Quizvraag

In the context of Newton’s first law, what is needed to stop a moving object?
A
centripetal force
B
air resistance
C
drag force
D
a resultant force

#### Slide 11 -Quizvraag

According to Newton’s first law, what is required to change the direction of a moving object?
A
acceleration
B
velocity
C
momentum
D
a resultant force

#### Slide 12 -Quizvraag

What is the role of a resultant force according to Newton’s first law?
A
It creates energy
B
It affects the motion of objects
C
It generates heat
D
It causes friction

#### Slide 13 -Quizvraag

What is the term used to describe the tendency of objects to continue in their state of rest or of uniform motion?
A
Acceleration
B
Gravity
C
Inertia
D
Friction

#### Slide 14 -Quizvraag

Why does your body continue to move forwards when travelling in a car and the brakes are applied?
A
Traction
B
Momentum
C
Inertia
D
Resistance

#### Slide 15 -Quizvraag

What stops your body from moving forward when a car brakes in motion?
A
Cushion
B
Airbag
C
Seat belt
D
Headrest

#### Slide 16 -Quizvraag

Which physical property causes your body to resist changes in motion?
A
Inertia
B
Flexibility
C
Elasticity
D
Density