# Paper 1 Physics Key Terms

Quiz by Loz Faith, updated more than 1 year ago
 Created by Loz Faith about 6 years ago
77
9

### Description

Paper 1 Physics Key Terms

## Resource summary

### Question 1

Question
What is when a 1kg mass has an acceleration of 1ms-2
Answer
• The Ohm
• Gravity
• The Newton
• A Moment

### Question 2

Question
What type of quantity that has both size and direction?
Answer
• Magnitude
• Vector
• Scalar
• Force

### Question 3

Question
Newton's 1st Law: An object will remain [blank_start]at rest[blank_end] or at a [blank_start]constant velocity[blank_end] in a straight line until an external force acts on it, so the resultant force is [blank_start]zero[blank_end].
Answer
• constant velocity
• zero
• at rest

### Question 4

Question
Momentum = [blank_start]mass x velocity[blank_end]
Answer
• mass x velocity

### Question 5

Question
Newton's 2nd Law: Rate of [blank_start]change of momentum[blank_end] is proportional to [blank_start]force[blank_end]
Answer
• change of momentum
• force

### Question 6

Question
Newton's 3rd Law: If object A exerts a force on object B, then object B exerts an [blank_start]equal[blank_end] and [blank_start]opposite[blank_end] force on object A.
Answer
• equal
• opposite

### Question 7

Question
Acceleration: [blank_start]the rate of change of velocity[blank_end]
Answer
• the rate of change of velocity

### Question 8

Question
Speed is the rate of change of displacement
Answer
• True
• False

### Question 9

Question
Velocity is the rate of change of displacement
Answer
• True
• False

### Question 10

Question
KE: Energy due to [blank_start]movement[blank_end] which depends on [blank_start]mass[blank_end] and speed. The equation is [blank_start]1/2mv^2[blank_end]
Answer
• movement
• velocity
• force
• speed
• gravity
• force
• mass
• direction
• mgh
• ma
• 1/2mv^2
• u + at

### Question 11

Question
GPE: energy due to [blank_start]height[blank_end] above ground, depends on [blank_start]gravitational field strength[blank_end] (G.F.S). The equation is [blank_start]mgh[blank_end].
Answer
• height
• gravitational field strength
• mgh

### Question 12

Question
Energy needed to move a force of 1N a distance of 1m in the direction of the force. This describes the [blank_start]Joule[blank_end]
Answer
• Joule

### Question 13

Question
Which of these describes Power?
Answer
• A joule per second
• The rate of work done
• energy/time
• force x distance

### Question 14

Question
Watt: a [blank_start]joule per second[blank_end]
Answer
• joule per second

### Question 15

Question
Work Done: [blank_start]force x distance[blank_end]
Answer
• force x distance

### Question 16

Question
Centre of Gravity: The [blank_start]point[blank_end] where all of the [blank_start]weight[blank_end] of an objects [blank_start]appears to act[blank_end]
Answer
• point
• weight
• appears to act

### Question 17

Question
What is true for the Principle of Conservation of Energy?
Answer
• Energy cannot be created or destroyed
• Energy can be transformed from one form to another
• Lost energy is always destroyed
• Energy can be created from burning fuel

### Question 18

Question
Moment: [blank_start]Force[blank_end] [blank_start]x[blank_end] [blank_start]perpendicular distance from the pivot[blank_end]
Answer
• Force
• x
• perpendicular distance from the pivot

### Question 19

Question
Current: [blank_start]flow[blank_end] of [blank_start]charged[blank_end] particles
Answer
• flow
• charged

### Question 20

Question
The coulomb: The [blank_start]charge[blank_end] (flowing past a point) in [blank_start]1s[blank_end] when the [blank_start]current[blank_end] is [blank_start]1A[blank_end]
Answer
• charge
• 1s
• current
• 1A

### Question 21

Question
Conventional Current is the flow of [blank_start]positive charge[blank_end] from [blank_start]positive to negative[blank_end]
Answer
• positive charge
• negative charge
• protons
• positive to negative
• negative to positive

### Question 22

Question
Charge= [blank_start]current x time[blank_end]
Answer
• current x time

### Question 23

Question
Voltage is [blank_start]work done per unit charge[blank_end]
Answer
• work done per unit charge

### Question 24

Question
Ohm's Law: [blank_start]Current[blank_end] is [blank_start]directly proportional[blank_end] to [blank_start]potential difference[blank_end] provided that all [blank_start]physical conditions[blank_end] remain [blank_start]constant.[blank_end]
Answer
• Current
• directly proportional
• potential difference
• physical conditions
• constant.

### Question 25

Question
EMF is [blank_start]energy transformed per unit charge[blank_end] from [blank_start]another[blank_end] energy to [blank_start]electrical[blank_end] energy.
Answer
• energy transformed per unit charge
• another
• electrical

### Question 26

Question
Kirchhoff's 1st Law: The sum of the [blank_start]currents entering a junction[blank_end] is [blank_start]equal[blank_end] to the sum of the [blank_start]currents leaving the junction.[blank_end]
Answer
• currents entering a junction
• equal
• currents leaving the junction.

### Question 27

Question
Kirchhoff's 2nd Law: The sum of the e.m.f.s is the sum of [blank_start]voltages[blank_end] in a [blank_start]closed loop[blank_end]
Answer
• voltages
• closed loop

### Question 28

Question
Resistance is [blank_start]voltage per unit current.[blank_end]
Answer
• voltage per unit current.

### Question 29

Question
An ohm is the [blank_start]potential difference[blank_end] of [blank_start]one volt per ampere.[blank_end]
Answer
• potential difference
• one volt per ampere.

### Question 30

Question
Resistivity = [blank_start]RA/l[blank_end]. Resistivity is the [blank_start]resistance of a 1m length[blank_end] with a [blank_start]1m^2 cross sectional area[blank_end]. Resistivity is measured in [blank_start]ohm metres[blank_end].
Answer
• RA/l
• resistance of a 1m length
• 1m^2 cross sectional area
• ohm metres

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