WorksheetsUnit 3 Forces and Motion
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
A forces is an action that either
a)
swings or glides
b)
pushes or pulls
c)
speeds or slows down
2.
Objects with _____________ mass need more force to move them.
a)
less
b)
equal
c)
more
3.
_____________________ is the place where an object is in relation to other things. Example the book is on top of the desk.
a)
motion
b)
position
c)
speed
4.
An object that changes position over time has _____________________. An object that does not change position is said to be at ___________________.
a)
motion, rest
b)
rest, motion
c)
gravity, position
5.
An example of this is ... The ball moved right when the boy kicked it that way. (The object moved its position in a certain ________________________)
a)
speed
b)
direction
c)
gravity
6.
is a rate that describes the distance an object can or will move over a set amount of time. example 50 miles per hour
a)
direction
b)
speed
c)
position
7.
A force that causes all objects around Earth to fall toward the ground
a)
inertia
b)
gravity
c)
speed
8.
devices that change the direction and amount of force to do work. They make work easier. There are 6 of them.
a)
forces
b)
cars
c)
simple machines
9.
A simple machine made up a straight beam and a fulcrum, a point that a rod pivots on. An example is a seesaw
a)
inclined plane
b)
pulley
c)
lever
10.
A simple machine that uses a flat surface to help raise or lower a load. It spreads the amount of force required to lift a load over a distance. An example is a wheelchair ramp.
a)
inclined plane
b)
lever
c)
screw
11.
A simple machine made up of one or two inclined planes. They change the direction of force and are usually used to push tow objects apart. Examples: The cutting edges of a knife or axe
a)
wedge
b)
screw
c)
inclined plane
12.
A simple machine that can be thought of as an inclined plane wrapped around an axle.
a)
wedge
b)
screw
c)
inclined plane
13.
A simple machine made up of a wheel and an attached axle.
a)
lever
b)
pulley
c)
wheel and axle
14.
A simple machine made up of a rope or a chain guided around a wheel or axle. They change the direction of a force.
a)
wheel and axle
b)
pulley
c)
wedge
15.
The __________________ mass an object has, the less force will be needed to move it.
a)
less
b)
more
16.
The ______________ speed an object has, the more force will be required to slow it, stop it, or change its direction.
a)
less
b)
more
c)
equal
100 %
