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Worksheets8th class force
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
2.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
3.
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
a)
surface area
b)
air resistance
c)
velocity
d)
gravity
4.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
5.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
6.
A drinking straw works on the existence of (a) pressure.
7.
The pressure exerted by a liquid (a) with depth.
8.
Which one among the following is not a type of non-contact forces?
a)
Muscular force
b)
Magnetic force
c)
Gravitational force
d)
Electrostatic force
9.
The (a) force can be used to gather iron pins scattered on the floor.
10.
The SI unit of force is (a)
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