REMEDIAL EXAM SCIENCE 7 - HOSEA

What do you call the quantities that are completely described by their magnitudes, appropriate units, and directions?

• vector quantities

• scalar quantities

• vector arrows

• scalar arrows

A swing moving back and forth is an example of force that acts on an object. What type of force is acting in the given situation?

• net force

• balanced force

• unbalanced force

• static equilibrium

A freebody diagram is a diagram of all forces acting on an object being analyzed. These forces are represented by a box.

• Both statements are correct.

• Both statements are incorrect

• The first statement is correct while the second statement is incorrect.

• The first statement is incorrect while the second statement is correct.

Which force causes an object to change its state of motion?

• net force

• balanced force

• unbalanced force

• both B and C

Which describes an unbalanced force?

• Team A winning the game of Tug-of-War.

• Pushing an unmoving cabinet.

• Pushing a stationary car.

• Pulling a rope in a different direction using the same force.

David walks 3 km north, then turns and walks 4 km east. What distance did he cover?

• 1.2 km

• 12 km

• 1 km

• 5 km

From his home, Anthony walks to the pizza place for lunch. Then he proceeded to the barbershop to get a haircut and went to the arcade. After playing, he finally went home. What is the initial reference point of Anthony?

• pizza place

• home

• barbershop

• arcade

Aristotle considered that the natural state of an object is to remain at rest and a force has to act on an object for it to move. True or False?

• TRUE

• FALSE

Based on Aristotle, force is needed to change the speed and direction of the object. True or False?

• TRUE

• FALSE

Galileo Galilei developed ideas on motion contrary to the Aristotelian theory through his experiment using a perfect sphere rolling on an inclined plane. True or False?

• TRUE

• FALSE