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10 questions
Smooth surface has ……. friction.
less
more
no
Rough surface has ……. friction.
less
more
no
Look at the picture.
Which toy car will move faster?
Toy car on smooth surface
Toy car on rough surface
Look at the picture.
Which toy car will move slower?
Toy car on smooth surface
Toy car on rough surface
Look at the picture.
Why did the toy car on smooth surface move faster?
Because smooth surface has less friction
Because smooth surface has more friction
Look at the picture.
Why did the toy car on rough surface move slower?
Because rough surface has less friction
Because rough surface has more friction
Observe the picture of a rough concrete floor carefully.
Describe the amount of friction on the rough concrete floor.
The rough concrete floor has less friction.
The rough concrete floor has more friction.
Observe the picture of a smooth ice skating rink carefully.
Describe the amount of friction on the smooth ice skating rink.
The smooth ice skating rink has less friction.
The smooth ice skating rink has more friction.
Observe the picture of a bumpy and furry carpet carefully.
Why will a toy car moves slowly on the bumpy and furry carpet?
Because the bumpy and furry carpet has less friction.
Because the bumpy and furry carpet has more friction.
Observe the picture of a smooth wooden flooring carefully.
Why will a coin moves faster on smooth wooden flooring?
Because smooth wooden flooring has less friction.
Because smooth wooden flooring has more friction.
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