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WorksheetsMotion and Machines
Total questions: 25
Worksheet time: 50mins
Name
Class
Date
1.
What is motion?
a)
change in position over time
b)
Force
c)
Work
d)
Motion
2.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
3.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
4.
The correct equation to calculate speed is
a)
distance/time
b)
time/distance
c)
distance x time
d)
distance/time2
5.
Which law of motion does this equation go with: force = mass x acceleration
a)
1st
b)
2nd
c)
3rd
d)
4th
6.
Which law of motion is this: An object in motion will stay in motion and an object at rest will stay at rest until acted upon by an unbalanced force.
a)
1st
b)
2nd
c)
3rd
d)
4th
7.
Which law of motion is this: For every force exerted, an equal and opposite force will be exerted on it.
a)
1st
b)
2nd
c)
3rd
d)
4th
8.
What causes a ball that is rolling in the grass to slow down if no one stops it?
a)
friction
b)
gravity
c)
the greeness of the grass
d)
your mom
9.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
10.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity
d)
displacement
11.
When an object resits change, like a body in a turning car, it is called ________________.
a)
inertia
b)
force
c)
friction
d)
drag force
12.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
13.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
14.
A girl pushes a box across the floor. Did she do work?
a)
no
b)
yes
15.
This is work divided by time.
a)
Work
b)
Distance
c)
Power
16.
A drill bit is an example of which machine?
a)
screw
b)
pulley
c)
ramp
d)
wedge
17.
1. A _________is a simple machine with a fulcrum and a rigid bar.
a)
Pivot
b)
Lever
c)
Wedge
d)
Pulley
18.
Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Coach Class Lever
19.
A simple machine is a device that helps to reduce the amount of _____ required to do work.
a)
force
b)
energy
c)
work
d)
money
20.
A ______ is a grooved wheel with a rope running along the groove.
a)
lever
b)
pulley
c)
screw
21.
A simple machine that can split things apart or hold a door open.
a)
wedge
b)
screw
c)
lever
d)
hand
22.
Screws and wedges are examples of what other type of simple machine?
a)
pulley
b)
inclined plane
c)
levers
d)
gears
23.
Name this simple machine.
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
24.
Two inclined planes placed back to back forms this simple machine
a)
pulley
b)
wedge
c)
lever
d)
wheel and axle
25.
A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.
a)
wedge
b)
screw
c)
lever
d)
inclined plane
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