Module I Unit 1 Module Pretest

Speed shows ...................

• How fast or slow did I move

• If I moved from my place or not

• Push or pull

• How much attraction force is between objects

Gravitational force shows ...................

• How fast or slow did I move

• If I moved from my place or not

• Push or pull

• How much attraction force is between objects

Which of the following is correct about Newton’s laws of motion?

• For every action force, there is a reaction force

• An object at rest won’t move unless acted by an unbalanced force

• Force equal mass times acceleration

• All the choices are correct

If 4 players from team A were playing tug of war against 4 players from team B. Each player exerts 5 N. Who will win?

• Team A

• Team B

• No one will win

If 6 players from team A were playing tug of war against 4 players from team B. Each player exerts 5 N. Which direction will the rope moves toward it?

• Team A

• Team B

• No one will win

From the word balanced forces, What do you think the meaning is ?

• Forces equal in magnitude or value and same in direction

• Forces equal in magnitude or value opposite in direction

• Forces different in magnitude or value same in direction

• Forces equal in magnitude or value different in direction

What does acceleration mean?

• To speed up

• To slow down

• To change direction

• All the choices are correct

Which of the following has the mathematical rule of distance/time?

• Speed

• Acceleration

• Force

What is the measuring unit of speed?

• m/s

• m/s2

• N

Gravity is .....

• Attraction force between any two objects

• Repulsion force between any two objects

• Directly proportional to distance between objects