NEW
Font size
S
M
L
XL
WorksheetsDCA 3.2
Total questions: 48
Worksheet time: 3hrs 14mins
Name
Class
Date
1.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
2.
Which of these is NOT a force?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Electrical resistance
3.
What is the name of the units that we measure force in?
a)
Einsteins
b)
Newtons
c)
Kg
d)
Metres
4.
In which direction does gravity act?
a)
Downwards
b)
Upwards
c)
In all directions
d)
Towards the centre of the Earth
5.
Which is the correct definition of a 'force'?
a)
An influence, which cannot be measured, that causes something to move, stop moving or change direction.
b)
An influence, which can be measured, that causes something to move, stop moving or change direction.
c)
Something which has power.
d)
An influence, which can be measured, that causes something to move.
6.
What force does a parachute use to slow things down before hitting the ground?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Wind
7.
When two objects rub together, what force do they produce
a)
Gravity
b)
Air resistance
c)
Friction
d)
Water resistance
8.
Which of these uses friction?
a)
A parachute
b)
A ball falling through the sky
c)
Brakes on a bike
d)
A wind turbine
9.
Which of these would you not find in a 'simple machine'?
a)
A lever
b)
A micochip
c)
A pulley
d)
A gear
10.
What type of force is this man using to push his grocery cart?
a)
Normal Force
b)
Gravity
c)
Air Resistance
d)
Applied Force
11.
Is this an example of a balanced or unbalanced force?
a)
Balanced force
b)
Unbalanced force
c)
I don't know
12.
What is the net force?
a)
3 N
b)
3 N, right
c)
17 N, right
d)
3 N, left
13.
What is the Net Force on this object?
a)
11 N, right
b)
8 N, right
c)
3 N, left
d)
5 N, right
14.
What is a force?
a)
a push or pull
b)
speed or acceleration
c)
potential or kinetic energy
d)
balanced or unbalanced force
15.
When objects remain in the same place, it is called...
a)
gravity
b)
friction
c)
balanced force
d)
unbalanced force
16.
What is the force that causes everything to be pulled down to the Earth?
a)
friction
b)
gravity
c)
balanced
d)
unbalanced
17.
An unbalanced force is when objects move in one direction because the force is greater from that direction.
a)
true
b)
false
18.
Inertia is....
a)
for every action, there is an equal and opposite reaction
b)
larger objects take more force to move
c)
an object in motion tends to stay in motion unless acted on by an opposite force
d)
a push that acts in the opposite direction and it slows down.
19.
Which law best describes inertia
a)
1
b)
2
c)
3
d)
All of the above
20.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
d)
speed
21.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
22.
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
23.
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
24.
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
25.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
26.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
a)
12 N Right No
b)
4 N Left No
c)
12 N Right Yes
d)
4 N Left Yes
27.
What is this graph representing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
28.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
29.
If you run around the football field (which is 2 miles) 3 times, what is your distance?
a)
0 miles
b)
3 miles
c)
6 miles
d)
9 miles
30.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
31.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
32.
A measurement of how fast an object is moving
a)
Velocity
b)
Speed
c)
Vector
d)
Acceleration
33.
A description of the speed and direction of an object's motion
a)
Velocity
b)
Speed
c)
Acceleration
d)
Vector
34.
Can be measured in seconds (s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
35.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
36.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
37.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed
c)
not moving
d)
accelerating/slowing down.
38.
Acceleration is defined as the CHANGE in
a)
time it takes for one place to move to another place.
b)
velocity of an object.
c)
distance divided by the time interval
d)
velocity divided by the time interval
39.
Which one is a unit of mass?
a)
meter (m)
b)
gram (g)
c)
Joule (J)
d)
Newton (N)
40.
Which one is a unit of distance?
a)
meter (m)
b)
gram (g)
c)
liter (L)
d)
Joule (J)
41.
Force is a _____ or _______
a)
simple complex
b)
push pull
c)
up down
d)
in out
42.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
43.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
44.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
45.
What is work?
a)
A push or pull.
b)
When the object moves in the same direction in which the force is exerted.
c)
A change in energy.
d)
The rate at which energy is transferred.
46.
Force pair that has a net force of zero.
a)
Balanced force
b)
Unbalanced force
47.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
48.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
Reset
