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Physics Week 1
Test Description: Review of work on types of Forces and Newtons first and second laws
Instructions: Answer all questions to get your test result.
1) Scalar quantities have
A
neither magnitude or direction
B
magnitude and direction
C
Magnitude only
D
direction only
2) Vector quantities have
A
direction only
B
magnitude and direction
C
Magnitude only
D
neither magnitude or direction
3) Which term means the distance an object is away from the starting point (in a particular direction)
A
displacement
B
vector
C
direction
D
scalar
4) A runner travels from the start of a track (0m) to 15m. He then turns around and runs back to the start. What is his displacement?
A
15m
B
0m
C
0km
D
30m
5) A cyclist travels 10km from his home. He then drives 3.5km back along the same road to his favourite cafe for lunch. What distance has he travelled?
A
10km
B
3.5km
C
6.5km
D
13.5km
6) 2 dogs are pulling the same rope in opposite directions. Dog 1 pulls the rope with a force of 15N to the left, and Dog 2 pulls the rope 23N to the right. What is the NET FORCE on the rope?
A
8N to the left
B
8N to the right
C
38N to the right
D
23N to the right
7) 2 tug of war teams are pulling on the same rope. If the right team wins by pulling over the left team, which of the following statements is correct?
A
the left team must be stronger than the right team
B
the net force is to the left
C
the net force on the rope is to the right
D
the net force is 0 (the left and right forces are balanced)
8) What term means 'an object will keep moving in the same direction until another force or object slows it down'?
A
inertia
B
acceleration
C
friction
D
gravity
9) When a racing car approaches a bend, the driver will press on the brake. Which of the following statements explains why the car will slow down?
A
the force on the car become balanced
B
there is too much air resistance on the car
C
the thrust becomes bigger than the friction force on the wheels
D
the friction force on the wheels gets bigger than the thrust
10) What happens to the speed of a motorbike if the drag and thrust forces are balanced?
A
it slows down
B
it stops moving
C
it speeds up
D
it travels at a constant speed
11) It would be very difficult to drive a car on Jupiter - can you suggest why?
A
The planet surface is completely flooded
B
There is not enough gravity
C
The atmosphere is very thick
D
The force of gravity is too strong
12) It would be very difficult to drive a car on the Moon. Why?
A
The ground is very soft
B
There is not enough gravity
C
It is far to hot so the tyres would melt
D
There is too much gravity
13) Which of these is a SCALAR quantity?
A
displacement
B
force
C
distance
D
momentum
14) Which of these is a VECTOR quantity?
A
speed
B
mass
C
displacement
D
distance
15) Which of the following forces is a 'driving' force?
A
thrust
B
gravity
C
air resistance
D
drag
16) Which of the following is a 'resistive' force?
A
magnetism
B
gravity
C
air resistance
D
thrust
17) If the forces on an object are balanced (equal) what is the net force on the object?
A
25N
B
10N
C
There is no way to tell
D
0N
18) Why are women more likely to be injured in a car accident?
A
women drive faster than men on average
B
women are weaker than men
C
women are less likely to be driving than men
D
seatbelts are designed using male crash test dummies
19) What term describes a car that is speeding up?
A
stationary
B
accelerating
C
burn out
D
decelerating
20) Which force did Sir Isaac Newton name?
A
gravity
B
magnetism
C
air resistance
D
friction
*select an answer for all questions
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