Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

physics > Paper Two Physics u > Flashcards

Paper Two Physics u Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
1
Q

Describe scalar quantities

A

Magnitude with no direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Examples of scalar quantities

A

Mass, temperatures, speed, energy, distance, time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe vector quantity

A

Magnitude and direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Examples of vector quantities

A

Displacement, weight, force, velocity, acceleration, momentum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How can we represent vectors

A

Arrows and the length shows magnitude, and direction of arrow shows direction of vector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a force

A

A push or pull that acts on an object due to the interaction with another object.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What quantity is force and why

A

Vector - has magnitude and direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the two types of force

A

Contact
Non contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are examples of a contact force

A

Tension in a rope
Friction
Air resistance
Normal contact force - something exerting a downward force e.g lamp on table, and table doing a force upwards. Direct contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a non contact force

A

Two objects are physically separated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are examples of non contact force

A

Gravitational force
Electrostatic force
Magnetic force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What quantity is gravity

A

Vector - magnitude and direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the definition of mass

A

How much matter the object has in it and unit is kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What type of quantity is mass

A

Scalar as it has no direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is weight

A

The force acting on it due to gravity and unit of weight is newtons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the gravitational force on earth

A

9.8 N/Kg which is the gravitational field strength

17
Q

What is the relationship between mass and weight

A

Directly proportional

18
Q

How can we determine an objects weight

A

Calibrated spring-balance/newton metre

19
Q

What is the gravitational field strength on the moon

A

1.6 N/Kg

20
Q

What is the centre of mass

A

The weight of an object(the force due to gravity) can be considered to act at a single point.

21
Q

What is the resultant force

A

Single force that has the same effect as all of the original forces acting together

22
Q

What is the free body diagram of an aeroplane

A

Lift
Air resistance-thrust
Weight

23
Q

Describe a free body diagram if the object is moving at a constant velocity

A

The forward and backwards forces must be balanced

24
Q

What is refraction

A

Change in direction due to a change in speed

physics (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions