WORK AND FORCE

Hazzel exerted a force of 250 N to move a cabinet to the left. A total of 750 J of work was done. How far did Hazzel move the cabinet?

• 3Nm

• 3m

• 187, 500 Nm

• 187, 500 m

Tags

NGSS.MS-PS2-2

EJ applies a force of 20 N to push me on a swing. He does 200 J of work. How far did he move?

• 10 Nm

• 4, 000 Nm

• 10 m

• 4, 000 m

Tags

NGSS.MS-PS2-2

In a tug of war, red team pulled blue team with a force of 5,000 N at a distance of 8 meters. How much work was done by the red team?

• 40, 000 J

• 625 J

• 40, 000 N

• 625 N

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The SI unit used for force is Joule.

• TRUE

• FALSE

When a force causes an object to move a distance in the same direction as the force, then work is equal to force divided by distance.

• TRUE

• FALSE

Force is a push or ____ that can bring about or prevent motion.

Tags

NGSS.3-PS2-1

Which of the following statements tells you that work is present?

• pushing a wall

• pushing a box

• pushing a boulder (big rock)

• a man carrying a book

A force must cause a distance in order for work to be done.

• TRUE

• FALSE

Which type of contact force acts upon objects traveling through the air?

• Applied force

• Gravitational force

• Friction force

• Drag force

The force of ________ will ALWAYS OPPOSE the applied force.