Force and Work

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-PS2-2

NGSS.MS-PS3-5

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

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

• Applied force

• Gravitational force

• Friction force

• Drag force

When force is directly applied to an object to cause change it is called _______ force.

Adam worked 1,200 J in throwing a ball 30 meters towards the south. How much force did Adam exert in throwing the ball?

• 40 N

• 40 J

• 36, 000 N

• 36, 000 J

Tags

NGSS.HS-PS2-1

A force of 50 N is applied to move a box 5 meters across the floor. How much work is done?

• 250 J

• 10 J

• 55 J

• 500 J

Which of the following scenarios involves work being done?

• Holding a book steady

• Pushing a car up a hill

• Leaning against a wall

• Standing still