Physics

A force is a....?

• Push/pull exerted by one object on another which causes a change in the objects speed position direction shape or dimensions

• The quantity that expresses the extent of a 2d shape.

• The quantity that express the extent of a 3D shape.

How are forces represented?

• by a dot

• By brackets

• By an arrow

Contact forces are...?

• A force which exist between objects.

• Forces which exists between objects separated from each other.

• A force in contact with each other.

What part of the arrow indicates the magnitude of the force?

• The length

• The tail

• The head

What type of quantity is a force?

• Vector

• Scalar

What is the S.I unit of Force ?

• Newton

• Joule

• Watts

• Pascal

Where does the tail of the arrow begin?

• Where the force pushes.

• Where the arrow points.

• Where the force pulls

The two types of forces are?

• Contact

• Vector

• Scalar

• Non-Contact

Non-contact forces are?

• a measure of its matter.

• a force exist between two objects separated from each other.

An example of contact forces:

• frictional forces

• nuclear force

• magnetic force

• tension in springs