We use an arrow to measure the direction and magnitude. (True or False)
true
Oops!
Check
Okay!
Check
10
The bigger the arrow, the smaller the forces. True or false.
false
Oops!
Check
Okay!
Check
20
What is the resultant force and what is the direction?
110 to the left
Oops!
Check
Okay!
Check
trap
No points!
Oops!
star
Double points!
Okay!
shark
Other team loses 20 points!
Okay!
thief
Give points!
5
10
15
20
25
15
The unit of force is ........................
Netwon
Oops!
Check
Okay!
Check
15
Friction is a ..............................force a-contact b- noncontact
a-contact
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
rocket
Go to first place!
Okay!
gift
Win 15 points!
Okay!
thief
Give points!
5
10
15
20
25
10
1. 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
d-All are examples that are helpful
Oops!
Check
Okay!
Check
10
Friction is a force that acts in an ___________ direction of movement. a-similar b-opposite
b-opposite
Oops!
Check
Okay!
Check
20
If a contact surface is rough, the friction is high. (TRUE or FALSE)
TRUE
Oops!
Check
Okay!
Check
25
What is the resultant force and its direction?
9N to the Right
Oops!
Check
Okay!
Check
20
........................ Is a force that works against of a moving object.
Friction force
Oops!
Check
Okay!
Check
monster
Reset all scores!
Oops!
gold
Win 50 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
what's the name of this equipment?
spring scale
Oops!
Check
Okay!
Check
25
Factors affect the friction force. a-type of surfaces b-The weight c-both
