Quiz
P4 Quiz
This quiz has question types that open in the usual player.
Questions in this quiz (25)
1The faster an object moves, the lower the gradient of the line representing it on a distance-time graph.
- ATrue
- BFalse
2Which line on the graph represents the greatest speed?
- AA
- BB
- CC
3Which line on the graph represents an object travelling with a constant velocity?
- AA
- BB
- CC
4A car travels 100 m in 5 s. What is its average speed?
- A500 m/s
- B0.05 m/s
- C20 m/s
5The velocity of an object is its speed in a particular direction.
- ATrue
- BFalse
6[blank_start]Acceleration[blank_end] (m/s^2) = change in speed ([blank_start]m/s[blank_end]) / time taken ([blank_start]s[blank_end])
- Am/s
- Bs
- CAcceleration
7Forces occur when there is an [blank_start]interaction[blank_end] between two objects. These forces always happen in [blank_start]pairs[blank_end] – when one object [blank_start]exerts[blank_end] a force on another, it always experiences a force in return. These two forces are an interaction pair. They are [blank_start]equal[blank_end] in size, and [blank_start]opposite[blank_end] in direction. You only have an interaction pair if the forces are [blank_start]caused[blank_end] by the interaction.
- Ainteraction
- Bpairs
- Cexerts
- Dopposite
- Eequal
- Fcaused
8Choose the three statements that, when put together, explain how rocket engines work.
- Aas the fuel burns, exhaust gases are produced
- Bthe rocket engine pushes these gases out backwards
- Cthe gases push the space shuttle forwards, with the same size force in the opposite direction.
- Dthe earth pushed the rocket up
- Egases push down on the ground
9A tennis player hits a ball with a racket. There is a force on the ball from the racket. What is the other force of the interaction pair?
- AThe weight of the ball
- BThe reaction of the player
- CThe force on the tennis racket
10Sometimes a [blank_start]force[blank_end] is produced as a [blank_start]response[blank_end] to another force – these are not the same as interaction pairs.
A book on a table has a downwards force (its [blank_start]weight[blank_end]) due to [blank_start]gravity[blank_end].
This downwards force, pushing on the table, produces an [blank_start]upwards[blank_end] force called [blank_start]reaction[blank_end].- Aforce
- Bresponse
- Cweight
- Dgravity
- Eupwards
- Freaction
11They are not an interaction pair, because the weight of the book is caused by the Earth's gravity, not by the table.
- ATrue
- BFalse
12Which is the action/reaction in this interaction pair?
- Aaction
- Breaction
13The resultant force is the overall result of all forces acting on an object.
- ATrue
- BFalse
14Which of the following statements is false?
- AIf the driving force is greater than the counter forces, there is a resultant force forwards. This will make the car speed up
- BIf the driving force is less than the counter forces, there is a resultant force backwards. This will make the car slow down
- CIf the driving force is the same as the counter forces, and the car is moving, it will stop.
15If a ball is released from a [blank_start]height[blank_end] then forces begin to act on it. It will start to [blank_start]fall[blank_end] due to the force of [blank_start]gravity[blank_end] acting on it. The ball will begin to [blank_start]accelerate[blank_end] (its speed increases).
If an object is dropped that is [blank_start]light[blank_end] relative to its size, like a [blank_start]feather[blank_end], it will speed up when released at first but then fall at a steady speed. This is due to air [blank_start]resistance[blank_end].
The [blank_start]faster[blank_end] an object moves, the greater the force of air resistance on it becomes. The light object will reach a steady speed when the force of air resistance [blank_start]balances[blank_end] out the force of gravity.- Aheight
- Bfall
- Cgravity
- Daccelerate
- Elight
- Ffeather
- Gresistance
- Hfaster
- Ibalances
16Momentum (in kg [blank_start]m[blank_end]/[blank_start]s[blank_end]) = mass (in [blank_start]kg[blank_end]) × [blank_start]velocity[blank_end] (in m/s)
Change of [blank_start]momentum[blank_end] (in kg m/s) = resultant [blank_start]force[blank_end] (in newton, [blank_start]N[blank_end]) × [blank_start]time[blank_end] for which it acts (in [blank_start]s[blank_end])- Am
- Bs
- Ckg
- Dvelocity
- Emomentum
- Fforce
- GN
- Htime
- Is
17What safety measures in cars reduce the momentum of the vehicle/passengers in the event of a crash?
- ASeat belts
- BAir bags
- CCrush zones
- DAll of the above!
18A force of 100 N acts on an object for 4 seconds. What is the momentum change of the object?
- A50 kg m/s
- B104 kg m/s
- C400 kg m/s
19Amount of energy transferred (joule, J) = work done (joule, J)
- ATrue
- BFalse
20How much work is done on the box?
- A20J
- B50J
- C0.2J
21If you lift a book up onto a shelf you have to do work [blank_start]against[blank_end] the force of gravity. The book has [blank_start]gained[blank_end] gravitational [blank_start]potential[blank_end] energy. Any object that is raised against the force of gravity has an [blank_start]increase[blank_end] in its gravitational potential energy.
Change in GPE ([blank_start]J[blank_end]) = weight ([blank_start]N[blank_end]) x change in [blank_start]height[blank_end] ([blank_start]m[blank_end])- Aagainst
- Bpotential
- Cincrease
- Dgained
- EJ
- FN
- Gm
- Hheight
22What is the kinetic energy of a 2 kg dog running at 6 m/s?
- A72 J
- B36 J
- C12 J
23Kinetic energy = 1/2 × mass × speed^4
- ATrue
- BFalse
24When the pendulum bob is at the [blank_start]start[blank_end] of its swing it has no kinetic energy because it is not moving, but its [blank_start]gravitational[blank_end] potential energy (GPE) is at a [blank_start]maximum[blank_end], because it is at the highest point.
As the bob swings [blank_start]downwards[blank_end] it loses height. So its gravitational potential energy (GPE) [blank_start]decreases[blank_end]. The work done on the bob by the gravitational force ([blank_start]weight[blank_end]) pulling it downwards increases its [blank_start]kinetic[blank_end] energy. The loss of GPE = the [blank_start]gain[blank_end] in KE.
At the bottom of its swing, the bob's kinetic energy is at a maximum and its gravitational potential energy is at a [blank_start]minimum[blank_end] - because it is at its lowest point.
As the bob swings upwards it [blank_start]slows[blank_end] down. Its kinetic energy decreases as work is done [blank_start]against[blank_end] its weight. As it gains height the gravitational potential energy [blank_start]increases[blank_end] again.
At the very top of its swing it [blank_start]stops[blank_end] for a moment. It once again has [blank_start]no[blank_end] kinetic energy, but its gravitational potential energy is at a maximum.
At all points during the swing, the total (GPE + KE) is [blank_start]constant[blank_end].
Note that in a real pendulum the bob's swing will become slightly [blank_start]lower[blank_end] with each swing, because some energy is lost ([blank_start]dissipated[blank_end], 'wasted') through heating, due to air [blank_start]resistance[blank_end].
- Astart
- Bgravitational
- Cmaximum
- Ddownwards
- Edecreases
- Fweight
- Gkinetic
- Hgain
- Iminimum
- Jslows
- Kagainst
- Lincreases
- Mstops
- Nno
- Oconstant
- Plower
- Qdissipated
- Rresistance
25A flower pot weighing 5 N falls off a windowsill 10 m above the ground. What is its kinetic energy just before it hits the ground?
- A250 J
- B50 J
- C2 J
Information
- Description
- GCSE Physics (P4 - Explaining Motion) Quiz on P4 Quiz, created by Leah Firmstone on 26/11/2015.
- Author
- Leah Firmstone
- Language
- English
- Views
- 9
- Tags
- Rating
- No ratings yet Rate this quiz