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DIRECTION:ENCIRCLE THE CORRECT ANSWER

1.WHAT IS A FORCE THAT WORKS AGAINST MOTION
A.ENERGY
B.FRICTION
C.GRAVITY
D.MOTION

2.WHICH HAS THE GREATEST FRICTION
A.POLISHED FLOOR
B.SANDY FLOOR
C.TILED FLOOR
D.WET FLOOR

3.WHICH SURFACE CREATES MORE FRICTION
A.MAGNETIC SURFACE
B.SLIPPERY SURFACE
C.ROUGH SURFACE
D.SHINY SURFACE

4.WHICH HAS THE LEAST AMOUNT OF FRICTION
A.CARPET
B.CONCRETE
C.ICE
D.GRASS

5.A PARACHUTE HELPS A PARACHUTIST LAND SAFELY ON THE GROUND OR WATER BY__________
A.REDUCING AIR RESISTANCE THAT SPEEDS UP ITS MOTION
B.REDUCES AIR RESISTANCE THAT SLOWS DOWN ITS MOTION
C.INCREASING AIR RESISTANCE THAT SPEEDS ITS MOTION
D.INCREASING AIR RESISTANCE THAT SLOWS DOWN ITS MOTION​

Sagot :

Fritzannamancio71idn

Answer:

1.B. FRICTION: is a force that works against motion; the action of one surface or object rubbing against another surface or object. Friction stops or slows down moving objects. Friction can help moving objects change direction.

2.B. SANDY FLOOR

3.C. Rough SURFACE

Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.

4.D.GRASS

5.D.increasing air resistance that slows down its motion

Explanation:

hope its help..

correct me if im wrong

Lhithaidn

Answer:

1-B

2-B

3-C

4-C

5-D

Explanation:

That's it.

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