Force

Force help us in our daily activities. No motion can be achieved without it. Without motion, we cannot do work and enjoy life.

• true

• false

• maybe

Force is any kind of push or pull on an object.

• no

• yes

• maybe

Which situation shows force?

• a janitor mopping the floor

• a teacher carrying her books

• a basketball player shooting a ball

• all of the above

What is the force acting on a stretched string, rope, or cable?

• friction

• normal force

• tension

• electrical force

Which force acts opposite the direction of motion?

• friction

• normal force

• electrical force

• magnetic force

What is the force that acts perpendicular to the common surface contact?

• magnetic force

• gravitational force

• normal force

• electrical force

What force is produced between two charges?

• electrical force

• magnetic force

• gravitational force

• tension

What force is produced between two electrically charged moving particles?

• friction

• magnetic force

• gravitational force

• tension

What is the force of attraction that keeps bodies in the universe together?

• normal force

• friction

• tension

• gravitational force

The body with the greater mass attracts bodies towards its surface.

• true

• false

• maybe