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Worksheets1st and 2nd Law Review
Total questions: 31
Worksheet time: 42mins
Name
Class
Date
1.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
2.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
3.
Why does an 18-wheeler have more inertia than a bicycle?
a)
it has more mass
b)
it has more volume
c)
it is not as aerodynamic
4.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
5.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
6.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
7.
What Unit do we measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
8.
Which has more Inertia?
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
9.
What is inertia?
a)
the force that opposes motion
b)
the force of attraction between 2 objects
c)
an object's tendency to stay in motion or to stay at rest
d)
a change in an object's speed and/or direction
10.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
11.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
12.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
13.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
14.
The formula
? = mass x acceleration
or
? = m x a
is used to find
? = mass x acceleration
or
? = m x a
is used to find
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
15.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass
c)
Gravity
d)
Viscosity
16.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
17.
What Newtons law does this picture represent
a)
Newtons 2nd law
b)
Newtons 1st law
18.
If you double the mass of an object but apply the same force apply on it, the acceleration will __________________.
a)
increase
b)
decrease
c)
stay the same
d)
zero
19.
A 20 kg bike accelerates at 10 m/s2. What was the net force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
20.
45 m/s2 represents the ___________________________.
a)
mass
b)
force
c)
acceleration
d)
weight
21.
A car speeding up to get through a yellow traffic light is an example of .... (select all that apply)
a)
balanced Forces
b)
unbalanced Forces
c)
acceleration
22.
A bike accelerates at 10 m/s2 when a force of 50N is applied. What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
23.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
24.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
25.
A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box?
a)
18N left
b)
18N right
c)
2N right
d)
2N left
26.
If net force acting on object is 0, then the force is considered to be..
a)
Balanced
b)
Unbalanced
c)
Equal in Direction
d)
Distance/Time
27.
A cat sitting on couch, a pencil on desk and a car at rest are all example of..
a)
Balanced Force
b)
Unbalanced Force
28.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
29.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
30.
A person is pushed forward into their seat belt when a car stops. Which law is this?
a)
1st
b)
2nd
c)
2 and 3
d)
3rd
31.
Which of Newton's Laws is illustrated with a large mass and a small mass accelerating?
a)
1st Law, the Law of Inertia.
b)
2nd Law, the Law of Acceleration
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
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