Question

Choose the correct option.
Which of the following is an effect of force?
(a) Starts motion
(b) Stops motion
(c) Changes the direction of montion
(d) All of them
2. Which of the following is not a unit of force?
(a) gram-force
(b) dyne
(c) joule
(d) newton
3. Kneading dough shows which effect of force?
d) newton
(a) change in speed
(b) change in direction
(c) change in shape and size
(d) change in mass
4. Which of the following is not an effect of friction?
(a) To produce heat
(b) To increase the speed of the body
(c) to cause wear and tear of the surfaces
(d) To oppose the motion of the body
4. Which of the following is not a type of friction?
(a) Rolling friction
(b) Static friction
(c) Slowing friction
(d) Sliding friction
6. Friction can be reduced by
(c) streamlining
(b) polishing
(d) all of them
(a) using ball bearings​

Answer 1

Answer:

1) d

2) c

3) c

4) d

5) c

6) all of them

Answer 2

Answer:

uyiihot3aetiur7r36i46z3472os47o