Name:_________________________________ Grade & Sec.:__________ Score:_______

Teacher:________________________________ Date:_________________ Rating:________

Activity 1

Forces on objects at rest

Objectives:

 After performing this activity, you should be able to identify the forces

acting on an object at rest.

1. Hang a pen by a piece of string as shown in Figure 3a.

Q1. Is the pen at rest or in motion?

Q2. Are there forces acting on the pen? If yes, draw the

forces. You may use arrows to represent these forces.

2. Cut the string with a pair of scissors.

Q3. What happens to the pen? What could have caused the

Q5. Are there forces acting on the book? If yes, draw the

forces acting on the book.

2. Let one member of your group push the book in one

direction and another member push it in the opposite

direction at the same time with the same amount of

push (force).

Q6. Did the book move? How will you make the book