KCET Practice Quiz

Question 1

A force of 12 N acts on a body of mass 3 kg initially at rest on a smooth horizontal surface. What is the acceleration of the body?

Accepted Answer

4 m/s²

Question 2

A book rests on a table. Which statement is correct about the forces acting on the book?

Accepted Answer

The table exerts an upward normal force equal to the weight of the book

Question 3

A 6 kg block is placed on a horizontal surface. The coefficient of static friction between the block and surface is 0.4. What is the minimum horizontal force needed to just start moving the block? (Take g = 10 m/s²)

Accepted Answer

24 N

Question 4

Two masses 4 kg and 6 kg are connected by a light string and pulled on a smooth horizontal surface by a force of 30 N applied to the 6 kg mass. What is the tension in the string?

Accepted Answer

12 N

Question 5

A 10 kg body is acted upon by two horizontal forces of 30 N east and 18 N west. What is its acceleration?

Accepted Answer

1.2 m/s² east