Question

Answer these questions.

1. It is easier to move a table when two people push it in the same direction than when just one person pushes it. Why?

2. What would happen if two people pulled the table with equal force but in opposite directions?

3.Give three examples of a 'push' force being applied to an object.

4.Give three examples of a 'pull' force being applied to an object.

5.Why does friction wear away the surfaces that are moving against each other?

6.Give three examples where heat is produced because of friction.

7.Why do we call a machine inefficient if it produces large amounts of heat due to friction?

8.Why can we never reduce friction to zero?​

Answer 1

Answer:

1. because the force applied by two peoples is more than one.

2.it remains at the same position

3. closing the door

4.opening of door

5. because direction of friction is always opposes the surface

6. rubbing of rocks

7. because it can harm us