Question 1

If two forces act in the opposite directions on an object, the net force acting on it is the

Accepted Answer

A) Sum of the two forces 
B) difference between the two forces 
C) Multiplication of the two forces 
D) Division of the two forces 
A) Sum of the two forces 
B) difference between the two forces 
C) Multiplication of the two forces 
D) Division of the two forces B

Question 2

A ball rolling on the ground slows down and finally stops. This is because of

Accepted Answer

A) Force 
B) Less force applied 
C) Friction 
D) None of the above 
A) Force 
B) Less force applied 
C) Friction 
D) None of the above C

Question 3

Force of friction always acts on moving objects and its direction shall be ____

Accepted Answer

A) On any direction 
B) Along the direction of motion 
C) Perpendicular to the direction of motion 
D) Opposite to the direction of motion 
A) On any direction 
B) Along the direction of motion 
C) Perpendicular to the direction of motion 
D) Opposite to the direction of motion D

Question 4

An example of a non- contact force is

Accepted Answer

A) Force exerted by us to lift a bucket 
B) Push a stationary car 
C) Force exerted by magnet 
D) Hit a cricket ball for a 6 run 
A) Force exerted by us to lift a bucket 
B) Push a stationary car 
C) Force exerted by magnet 
D) Hit a cricket ball for a 6 run

Question 5

Gravity is

Accepted Answer

A) Repulsive 
B) Attraction + Repulsive force 
C) Attractive force 
D) Not a force 
A) Repulsive 
B) Attraction + Repulsive force 
C) Attractive force 
D) Not a force

Question 6

A push or pull on an object is called

Accepted Answer

A) Pressure 
B) Push-pull 
C) Force 
D) All of the above 
A) Pressure 
B) Push-pull 
C) Force 
D) All of the above

Question 7

Which of the following is proper example(s) to explain that force on an object may change its shape

Accepted Answer

A) A ball of dough rolled into chapati 
B) Pressing a rubber ball kept on table 
C) Making model using clay 
D) All of the above 
A) A ball of dough rolled into chapati 
B) Pressing a rubber ball kept on table 
C) Making model using clay 
D) All of the above

Question 8

If In a tug-o-war, two teams pulling a rope does not move towards any team, it implies that

Accepted Answer

A) Equal force is being applied in the same direction 
B) Equal Force is being applied in opposite direction 
C) No force is applied in any direction 
D) Cannot be explained 
A) Equal force is being applied in the same direction 
B) Equal Force is being applied in opposite direction 
C) No force is applied in any direction 
D) Cannot be explained

Question 9

A batsman hits the ball for a boundary past the bowler i.e. four runs. The batsman thus

Accepted Answer

A) Changes the direction & speed of the ball 
B) Does not change the direction but speed only 
C) Does not change the speed but direction only 
D) Does not change either direction or speed 
A) Changes the direction & speed of the ball 
B) Does not change the direction but speed only 
C) Does not change the speed but direction only 
D) Does not change either direction or speed

Question 10

Pressure =

Accepted Answer

A) Area / force on which it acts 
B) force / area on which it acts 
C) Volume / force on which it acts 
D) Force / volume on which it acts 
A) Area / force on which it acts 
B) force / area on which it acts 
C) Volume / force on which it acts 
D) Force / volume on which it acts

Exam 1: Understanding Forces: Exploring the Effects and Characteristics of Pushes, Pulls, and Friction