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WorksheetsF4 : Holiday Homework Vol 2
Total questions: 30
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
___ energy is energy of motion.
a)
Potential
b)
Kinetic
2.
___ energy is energy of position.
a)
Kinetic
b)
Potential
3.
Cutine Hugh Combee is pushing a barrel of piglets. His force is 10N. Danny Zuko sees him struggling so he comes along side Cutine and pushes in the same direction using his greased lightning. His force is 20N. What is their total net force?
a)
10N
b)
30N
c)
20N
d)
120N
4.
The Booh-Bahs are trying to push a box of felines across the road. What force must they overcome to get the box of felines moving?
a)
newtons
b)
push
c)
friction
d)
inertia
5.
Acceleration is a change in velocity.
a)
true
b)
false
6.
When an objects position changes over time but the speed of the object does not change.
a)
speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
7.
LT4: The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
8.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
9.
The force that pulls things to the center of the Earth
a)
attract
b)
force
c)
gravity
d)
motion
10.
What is the tendency of an object to resist a CHANGE IN MOTION?
a)
Inertia
b)
Work
c)
Friction
d)
Gravity
11.
If you pulled the paper quickly,the coin would fall straight down. Why?
a)
Friction
b)
Gravity
c)
Inertia
d)
Displacement
12.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
13.
The weight of an object_______as it moves away from the center of Earth
a)
increases
b)
stays the same
c)
triples
d)
decreases
14.
Weight is a measure of the force of gravity pulling down on an object.
a)
True
b)
False
15.
A 10-newton force is required to hold a stretched spring 0.20 meter from its rest position. What is the potential energy stored in the stretched spring?
a)
1 J
b)
2 J
c)
5 J
d)
50 J
16.
A spring with a spring constant (k) of 5 N/m is stretch 0.2 m. The spring force is
a)
1 N
b)
25 N
c)
5.2 N
d)
4.8 N
17.
Diagram shows three arrangements of springs, X, Y and Z. All the springs are identical.
Which comparison is correct about the extension of X, Y and Z?
Which comparison is correct about the extension of X, Y and Z?
a)
Z < X < Y
b)
Z < Y < X
c)
X < Z < Y
d)
X < Y < Z
18.
Which of the following graphs represents Hooke's Law
a)
A
b)
B
c)
C
d)
D
19.
Which comparison about springs X and Y is correct?
a)
Spring X is softer than spring Y
b)
Spring Y has a smaller spring constant, k
c)
The original length of spring X is longer than spring Y
d)
To stretch 1 cm, work done on spring X is smaller than on spring Y
20.
The law of conservation of momentum states that,
a)
p before is less than p after
b)
p before is the same as p after
c)
p before is more than p after
21.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
22.
A Falling Object has what kind of energy?
a)
Kinetic Energy
b)
Potential Energy
c)
Kinetic Energy and Potential Energy
d)
Neither
23.
What does "g" stand for?
a)
Gravity
b)
The Acceleration due to gravity
c)
How much force gravity has
24.
What is potential energy measured in?
a)
N
b)
J
c)
kg m
d)
N sec
25.
Which takes more force to catch, a bowling ball or a ping pong ball?
a)
bowling ball because it has more momentum
b)
ping pong ball because it has more momentum
c)
both require the same amount of force when catching
d)
bowling ball because it has less momentum
26.
How much momentum does a 50 kg mass moving at 10 m/s have?
a)
5 kg m/s
b)
500 kg m/s
c)
5 N
d)
500 N
27.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
28.
T/F: During a collision, one object will gain momentum and the second object will lose the same amount of momentum gained by the first object.
a)
True
b)
False
29.
The purpose of crumple zones on a car is to
a)
decrease time of impact.
b)
increase force of impact.
c)
increase the time of impact.
d)
decrease the impulse during impact.
30.
In this type of collision, objects tend to "stick" together.
a)
elastic
b)
inelastic
c)
They "stick" together in both types of collisions
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