Question

I. Fill in the blanks . 4M

1. The force of friction always _____ the applied force.

2 We can’t walk or run without _____.

3. Friction produces ______.

4. Friction is sometimes ______.

II. Answer the following questions 6M

5. Write a short note on spring balance.

6. Why is friction important for transport?

7. Why people often rub their hands in winter?​

Answer 1

Answer:

1. opposes

2. friction

3. heat

4. hazardious

5. it is an instruement consisting of a hook attached to the end of a spring.

6. it lets transport to move forward

7. because rubbing produces heat it is caused due to friction

Answer 2

Answer:

1. opposes

2. friction

3. heat

4. fast

5. a spring balance measure the weight of an object by opposing the force of gravity acting with the force of an extended spring

6. the answer of this question is in the above picture

7. when we rub our palms, friction is produced and in turn we feel warmth due to the production of heat. So, to get warmth we rub our palms during winter

Explanation:

I hope it helps u