NEW
Font size
S
M
L
XL
Worksheets6.8E Inclined planes
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
The longer the inclined plane, the ___________________ to move the object
a)
the less input force you need
b)
the more input force you need
c)
the more output force you need
d)
the less output force you need
2.
A flat, sloped surface is called a(n)...
a)
Lever
b)
Screw
c)
Fulcrum
d)
Inclined Plane
3.
What is a disadvantage of using an inclined plane to lift a heavy object?
a)
The object must be moved a greater distance.
b)
It takes less effort to move the object.
c)
Many objects are difficult to lift straight up.
d)
Heavy object usually take up more space.
4.
Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?
a)
Less force was needed on the 20 cm plane
b)
More force was needed on the 40 cm inclined plane.
c)
The least amount of force was needed on the 40 cm inclined plane.
d)
The least amount of force was needed on the 30 cm inclined plane.
5.
An inclined plane reduces the amount of force needed to move an object by -
a)
increasing the distance the object moves.
b)
transferring more of the force to the object
c)
reversing the direction the object is moved.
6.
Which of the following decreases when an object is moved using an inclined plane?
a)
The distance the object moves.
b)
The pull of gravity on the object.
c)
The force needed to move the object.
d)
The amount of space the object occupies.
7.
Friction acts in a direction_______ to the direction of an object's motion.
a)
unrelated
b)
equal
c)
opposite
d)
perpendicular
8.
The unit for force is _____.
a)
A. Neutrons
b)
B. Newtons
c)
C. Tons
d)
D. Inches
9.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
10.
Which best describes the role friction plays in the operation of a bicycle?
a)
Friction makes the bike go faster.
b)
Friction keeps the bike from stopping.
c)
Friction turns the bike in a new direction.
d)
Friction helps the bike slow down and stop.
11.
How does friction affect speed?
a)
more friction decreases (lowers) speed
b)
more friction increases speed
c)
less friction decreases (lowers) speed
12.
Which has the longer distance - straight lift from the ground directly to the back of truck or using an inclined plane?
a)
Straight lift
b)
Inclined plane
c)
They are the same
Reset
