10.A soldier climbed up to the top of a rope what can he do to help him slide down the rope quickly?
a. reduce friction
b. increase friction
c. increase gravity
d. decrease gravity
4.If the combined force on a stationary object is balanced then the object will______.
a. remain at rest
b. moving backward
c. decrease speed at a steady rate
d. increase speed in the direction of the strongest force
7. which of the following is a form of energy?
a. shadow
b. atom
c. sound
d. molecule
18.which has the greatest friction?
a.polish floor
b.sandy floor
c.wet floor
d.tiled floor
19. which of the following are forms of energy?
I.Electrical
II.Shadow
III.Sound
IV.Atom
a. I and II
b. III and IV
c. I and III
d. II and IV
20. why did a ball thrown to the air fall back to the ground?
a. gravity cause the ball to fall
b. air caused the ball to fall on the ground
c. acceleration cast the ball to move fast
d. the weight of the ball made it move faster
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Answer:
4) D
7) C
10) A
18) B
19) C
20)A
we have the same discussion po
:D, paki-brainliestt
Answer:
4. A
7. C
10. A
18. B
19. C
20. A
Explanation: