# NCERT Class VIII Science Solutions: Chapter 11-Force and Pressure Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

Get unlimited access to the best preparation resource for CBSE/Class-8 Science: fully solved questions with step-by-step explanation- practice your way to success.

Question 5:

Two objects repel each other. This repulsion could be due to

1. Frictional force only
2. Electrostatic force only
3. Magnetic force only
4. Either a magnetic or an electrostatic force

Answer: D Magnetic Force

Question 6:

Which one of the following forces is a contact force?

1. Force of gravity
2. Force of friction
3. Magnetic force
4. Electrostatic force

Answer: B Force of Friction

Question 7: As Showing in Fig is a Water Tank

A water tank has four taps fixed at points A, B, C, and D as shown in Fig. The water will flow out at the same pressure from taps at

1. B and C
2. A and B
3. C and D
4. A and C

Answer: A

Question 8: As Showing in Fig is a Brick is Kept

A brick is kept in three different ways on a table as shown in Fig. The pressure exerted by the brick on the table will be

1. Maximum in position A
2. Maximum in position B
3. Maximum in position C
4. Equal in all cases.

Answer: A

VERY SHORT ANSWER QUESTIONS

Question 9:

A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.

Answer:

Muscular force