Question

W ball bearings to reduce friction
on the surfaces in contact.
1. Friction always opposes
2. Friction is caused by
3. Is friction a contact or a non-contact force?
4. The smoother a surface is, the
5. Brakes on cars will work best if the friction between the brake shoes and wheels is reduced
(greater/lesser) will be the friction
True or false?
6. Friction causes wastage of energy. True or false?
7. A machine with moving parts will become less hot while running if it is well lubricated.
True or false?
8. Friction due to fluids is called
9. Rolling friction is
(greater/smaller) than sliding friction.
10. To reduce fluid friction, the object should have a
shape.
C. SHORT-ANSWER QUESTIONS (TYPE I): Answer in a sentence or two.
1. What is friction?
What is the direction of the force of frictior
B. VERY SHORT-ANSWER QUESTIONS: answer please I am terrified,I will mark you brainliest​

Answer 1

Answer:

no way...ask 1 or 2 shorts ques...you just asking a paragraphh

Answer 2

Answer:

1)Force

2)Uneven surface

3)Contact force

4)Lesser friction

5)True

6)True

7)True

8)Drag

9)Smaller

10)Aerodynamic / Streamline structure

C.

1)Friction is the opposite force which resists the force.

It always works in opposite direction of force acted.