Question

. Choose the correct option.
1. When a bicycle travels on a rough surface, its speed will
a) increase
b) decrease
d) none of these
c) remain the same
2. Which of the following cannot happen when an object receives unbalanced forces
a) the object remains at rest
bit changes its speed
c) it starts to move
d) it changes direction
3. A force can cause
a) change in weight of a body
b) change in mass of body
c) change in inertia of a body
d) none of these
4.Which of the following activities would not be possible in the absence of friction?
a) holding a glass
b) writing on paper
c) sitting on a chair
d) all of these
in the blanks.
Force acting​

Answer 1

Answer:

1a

2d

3d

4c..............

Answer 2

Answer:

1-b

Explanation:

2-d

3-a

4-?????

hope it helps