Types of Forces

What is a force?

• a push or a pull

• change in displacement

• change in direction

Which of these is an effect of force? (tick mark all the correct answers)

• force can start a motion

• force can stop a motion

• force can change the direction of motion

• force can change the shape of an object

• force can change the speed a moving object

The forces that need two objects to be in contact with each other are called.......

• contact forces

• non-contact forces

• electric forces

• magnetic forces

Select the non contact forces. (tick mark your answers)

• gravitational force

• electric force

• magnetic force

• friction force

select the examples of contact forces.(tick mark the answers)

• normal reaction

• tension

• friction force

• gravitational force

• Applied Force

What kind of force is shown in this picture?

• gravitation force

• electric force

• magnetic force

• friction force

What is the force acting in the ropes of the swing?

• tension

• normal reaction

• friction

• gravitation

What force is applied on the book by the table. (represented by R)

• normal force

• friction force

• magnetic force

What is the force used to attract the scarp iron?

• magnetic force

• tension

• electric force

• friction

What force is pulling the apple down?

• gravitational force

• tension

• normal reaction