What is the type of force that is produced in this object when you pull it on both sides?
Spring force
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15
Rubbing two surfaces together produces which type of energy? [choices: A. chemical, B. electrical, C. heat]
C.heat
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15
The picture shows two forces acting on a box in opposite directions. How much will be the net force? [choices: A. 0 Newtons, B. 20 Newtons, C. 4 Newtons]
C. 4 Newtons
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15
TRUE or FALSE: the smoother the surface, the more friction it will produce.
FALSE: the lesser friction it will produce.
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lifesaver
Give 25 points!
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magnet
Take 25 points!
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shark
Other team loses 15 points!
Okay!
thief
Give points!
5
10
15
20
25
banana
Go to last place!
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shark
Other team loses 5 points!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 10 points!
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15
You blow a pingpong ball and it rolled across the table. Is there work done on the pingpong ball? [Yes or No]
YES
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15
Which among the three is the unit used to measure weight? [grams, newtons, kilograms]
newtons
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15
The amount of matter in an object is called ___________ . [Choices: A. force, B. mass, C. weight]
B. mass
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15
A box is pushed by two persons. The image shows the forces they produced. How much is their net force? [choices: A. 0 Newtons, B. 40 Newtons, C. 20 Newtons]
B. 40 Newtons
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15
What type of force is produced when two objects rub together?
friction
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15
The 2 forces acting on an object in opposite directions is called a ___________ .
force pair
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baam
Lose 20 points!
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gold
Win 50 points!
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fairy
Take points!
5
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15
20
25
baam
Lose 20 points!
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15
A lubricant such as oil makes surfaces slippery. That means it can _____________ the friction between 2 rubbing objects. [choices: A. increase, B. decrease]
B. decrease
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15
What type of energy is inside this cake? [ choices: A. chemical, B. mechanical, C. Thermal]
A. chemical
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15
What is the name of the force by air particles which fights the pull of gravity on a falling object?