Types Of force

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 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

what kind of force is shown in this picture?

• gravitational force

• electrostatic force

• magnetic force

• frictional force

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

• gravitational force

• electrostatic force

• magnetic force

• friction force

what kind of force is represented in the picture by

 $\overrightarrow{f}$  

• gravitational force

• electrostatic force

• magnetic force

• frictional force

What is the force used to attract the scarp iron?

• magnetic force

• Elastic force

• electrostatic force

• frictional Force

what force is pulling the apple down?

• gravitational force

• Elastic force 

• normal reaction

What is the force shown in the picture?

• magnetic force

• electrostatic force

• Frictional force

What is the force applied by the person on the box?

• Normal reaction

• Muscular Force

• Elastic force