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Newton's Laws and Collisions Power Round

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
2.
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.
3.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
4.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
5.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
6.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
7.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
8.
What is the net force and the direction of movement?
a)
50 Newtons, Left
b)
50 Newtons, Right
c)
500 Newtons, RIght
d)
450 Newtons, LEft
9.
While playing pool, Emma notices that the pool balls bounce apart.  What type of collision is this?
a)
Elastic
b)
Inelastic
c)
Explosive
d)
Force
10.
Jorge noticed a collision outside the coffee shop where two cars collided and stuck together.  What type of collision did he observe?
a)
Elastic
b)
Inelastic
c)
Completely inelastic
d)
none
11.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
12.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
13.
Collisions can be ____________or ___________.
a)
fast or slow
b)
far or near
c)
elastic or inelastic
d)
none of the above
14.

When comparing the momentum of two moving objects, which of the following is correct?

a)

the object with the higher velocity will have less momentum if the masses are equal

b)

the more massive object will have less momentum if its velocity is greater

c)

the less massive object will have less momentum if the velocities are the same

d)

the more massive object will have less momentum if the velocities are the same

15.

A child with a mass of 23 kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of the child with the momentum of the bike.

a)

Both the child and the bike have the same momentum

b)

the bike has a greater momentum than the child

c)

the child has a greater momentum than the bike

d)

neither the child nor the bike has momentum

16.
When the container hit the ground the egg inside continued to fall. How do Newton's Laws apply to egg drop? 
a)
a. The Law of Acceleration state that F=ma
b)
b. The Law of Inertia states that an object in motion will stay in motion unless acted upon by an unbalanced force.
c)
c. The Law of Action-Reaction states for every action there is an equal and opposite reaction.
d)
d. all of the above
17.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
18.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
19.
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 
20.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum