A 5000N block is lifted 10 m. How much work was done?

• 50000 J
• 5000 J
• 500 J
• 50 J

Tags

NGSS.HS-PS3-1

W=125 J
d=10 m
F=???

• 12.5 N
• 1250 N
• 0.08 N
• 135 N

If 150 Joules of work is needed to move a box 10 meters, how much force was used?

• 1500 N

• 15 N

• 1.5 N

• 150 N

Tags

NGSS.HS-PS2-1

A microwave oven does 28,000 joules of work in 20 seconds. Then the power of the microwave is

• 1400 Watt
• 560,000 Watt 
• 1400 Joules
• 560,000 Joules 

How much work can be done in 30 seconds by a 1000-watt microwave oven?

• 30,000 Watts 
• 33.3 Joules
• 30,000 Joules
• I do not know. 

In physics, for Work to be done,

• the force must be applied in the same direction that the object moves
• the force must be applied in the opposite direction of the object moving
• any force can act upon an object 
• I have no clue 

A soccer ball is kicked with a force of 3000 N and experienced 100,000 J of work done on it. How far did the ball go?

• 0.003 m

• 3000 m

• 33.33 m

• 3 x 10⁸ m

Tags

NGSS.HS-PS2-1

Joe climbs a set of stairs as shown in the picture. Calculate his power:

• 2282.5 J
• 228.5 W
• 248.1 J
• 248.1 W

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What force is responsible for negative work being done on an object?

• tension
• normal
• gravity
• friction

If you push a coffee mug 1.4 m using a force of 5 N, the work done on the mug is?

• 7 J

• 6 J

• 8 J

• 9 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5