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5.3 Friction, air resistance, water resistance and upthrust

Authored by Tuyết Vân

Science

4th Grade

Used 105+ times

5.3 Friction, air resistance, water resistance and upthrust
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Friction always acts:

weight

air resistance

upthrust

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Friction always acts:

In the direction of motion

Opposite to the direction of motion

randomly

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor affects the magnitude of friction?

surface roughness

object size

surface temperature

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Air resistance affects objects moving through (a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

(a)   shapes help reduce water resistance.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of force opposes motion in fluids like air and water?

drag

friction

upthrust

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when an object experiences high water resistance?

It accelerates.

Its speed decreases.

Its weight increases

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