Make an object move, stop a moving object, speed up/slow down a moving object, change the direction of a moving object, and change the shape of an object
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20
Why does an astronaut need to learn to walk again after coming back from space?
Because they need to adapt to gravity again
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25
Dastan is playing bike around his house. Then, he bumped into a tree. What kind of the effect of forces that happen to Dastan?
Speed up his bike, Change the direction of the bike, Stop his bike, and Change the shape of himself/bike :)
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20
What factors affect a float/sink object?
Mass and Shape
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20
What is the unit for Weight?
Newton
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20
If a person goes to the Moon, is her/his mass or weight still the same?
Mass
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20
If an astronaut does a spacewalk, what things do they need to make her/him not float?
Use a spacesuit/attach to the rope
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20
When an object floats in water, what kind of force affects the object?
