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66 questions
v represents
volume
velocity
force
acceleration
m/s is a unit for
mass
force
acceleration
velocity
kg is a unit that represents
force
velocity
mass
momentum
When one variable increases and another decreases, on a graph, it is said to have a ___________________ relationship
directly proportional
inversely proportional
indirectly proportional
no relationship
When one variable increases and the other also increases, on a graph, it is said to have a ___________________ relationship
directly proportional
inversely proportional
indirectly proportional
no relationship
Law of Inertia
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
Forces come in pairs
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
For every action, there is an equal and opposite reaction
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
F=ma
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
This example can be applied to which law?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
An object in motion will stay in motion, or an object at rest will stay at rest unless acted on by an unbalanced force
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
Which law states that the acceleration of an object depends on the force exerted on it and its mass?
1st Law
2nd Law
3rd Law
Which law states that for every action there is an equal and opposite reaction?
1st Law
2nd Law
3rd Law
Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?
1st Law
2nd Law
3rd Law
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be? (HINT - UNITS!)
10 m/s^2
.1 m/s^2
100 m/s^2
1 m/s^2
An object is accelerating.
Thrust and friction forces are equal and opposite
Thrust force > Friction force
Friction force > Thrust force
Thrust and friction forces are equal and act in the same direction
An object is travelling at constant speed.
Thrust and friction forces are equal and opposite
Thrust force > Friction force
Friction force > Thrust force
Thrust and friction forces are equal and act in the same direction
An object is decelerating.
Thrust and friction forces are equal and opposite
Thrust force > Friction force
Friction force > Thrust force
Thrust and friction forces are equal and act in the same direction
Mass = 4 kg and a = 0.2 ms-2. Calculate the force.
8N
80 N
2 N
0.8N
Force = 20 N and Mass = 4 kg. Calculate the acceleration.
80 N
80 ms-2
5 ms-2
0.2 ms-2
Force = 25 N and Mass = 5 kg. Calculate the acceleration.
5 ms-2
125 ms-2
30 ms-2
4 ms-2
Describe the motion of this car
accelerating to the left
decelerating to the left
travelling at constant speed
at rest (stopped)
Describe the motion of the lawn mower
constant speed
accelerating
at rest / stationary
decelerating
What is the net force in the horizontal direction?
3200 N
6400 N
0 N
12000 N
What is the net force to the right?
5000 N
2000 N
0 N
3000 N
Which would hit a wall with a greater force, a car or bus with the same acceleration?
car
bus
both the same
Why does a car accelerate faster with just the driver, compared to driver + 3 passengers?
Car and driver has less mass than car, driver + 3 passengers
Car and driver has more mass than car, driver + 3 passengers
Car has less friction (drag)
Car is accelerating faster
A 2 kg brick is pulled by a force of 10N. Friction force is 4 N. What is the acceleration?
3 N
3 ms-2
5 ms-2
2 ms-2
F=ma. If force is kept the same but the mass is doubled, then the acceleration will....
stay the same
be halved
be doubled
be zero
Which is the smallest measurement of mass?
gram
milligram
kilogram
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