WorksheetsSimple machines and calculating force
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A sloping force, like a ramp, that reduces the amount of force required to lift an object?
a)
Wheel and axel
b)
Inclined plane
c)
Lever
d)
Wedge
2.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance.
b)
reduce the amount of force needed to do work.
c)
change the direction of the applied force.
d)
All of the above.
3.
What is a Fulcrum?
a)
The point or support on which a lever turns.
b)
Point where a wheel and axel meet.
c)
Force applied to a machine.
d)
Force exerted from a machine.
4.
How do you calculate force.
a)
Force=Mass x accleration
b)
Force=Distance x speed
c)
Force=Weight x acceleration
d)
Force=Speed x Time
5.
Which of these are an example of a wedge?
a)
Stairs
b)
Car
c)
Axe
d)
Flagpole
6.
What does Newtons represent?
a)
Mass
b)
Force
c)
Work
d)
Speed
7.
A _______ is really an inclined plane?
a)
Screw
b)
Lever
c)
Wedge
d)
Pulley
8.
A See-saw is a..........?
a)
Inclined plane
b)
Pulleys
c)
Wedges
d)
Lever
9.
What represents mass?
a)
Kg.
b)
N.
c)
m/s2
d)
J.
10.
Two examples of a pulley?
a)
Knife and Flagpole
b)
Flagpole and Blinds
c)
Car and axe
d)
See-saw and Blind
11.
What is velocity?
a)
Speed in a specific direction.
b)
The location of an object.
c)
The speed of an object.
d)
The distance of an object.
12.
Measured in Meters per second (m/s)
a)
Time
b)
Speed
c)
Acceleration
d)
Mass
13.
What is the Net force?
a)
The overall force acted upon an object.
b)
The net of an object.
c)
The force one person is applying.
d)
Part of the force.
14.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr
a)
6 km
b)
10 km
c)
24 km
d)
0.5 km
15.
How does a pulley make work easier?
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
it changes the amount of input force applied.
d)
It changes direction and increases the effect of your input force.
16.
What reduces the efficacy?
a)
Friction
b)
Heat
c)
Input force
d)
Cold
17.
Which of these represent work?
a)
Newtons
b)
Joules
c)
Mass
d)
Time
18.
Two factors that determine work are.......?
a)
Amount of force, and effort used
b)
Amount of force, and type of force
c)
Mass and distance
d)
Amount of force and distance moved
19.
Work done= Force X Blank
a)
Distance
b)
Acceleration
c)
Velocity
d)
Speed
20.
A Simple machine that can split things apart?
a)
Inclined plane
b)
wedge
c)
screw
d)
Wheel and axel
100 %
