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Total questions: 16
Worksheet time: 28mins
what is the product of force and displacement?
work
power
energy
what is the unit of work?
Newton
Joule
Watt
meter
what is the formula needed to solve for work?
W=F Δ x
W=F/ Δ x
F=W Δ x
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?
8000J
8000N
4000J
2000J
Ahmed is out with his friends. Misfortune occurs and Ahmed and his friends find themselves getting a workout. They apply a cumulative force of 1000 N to push the car 200 m out of the sand. Determine the work done on the car.
2 x 105 J
2.70 x 104 J
3.2 x 10-4 J
3.54 x 105 J
Two people push on a wall with 100 N. The wall doesn’t move. How much work is done?
100J
100N
0J
0N
A student lifts 100 N of books 1 m to his shoulder. He walks forward 10 m to the stairs and goes up 3 m. He walks 20 m forwards to class. How much work has been done to the books?
No work is done
100J
300J
400J
Two people lift a heavy box a distance of 15 m. They use ropes, each of which make an angle of 15 degrees with the vertical. Each person exerts a force of 225 N. How much work is done by the ropes
3.29 x 103 J
6.5 x 103 J
4.0 x 104 N
2.45 x 102 J
An airplane passenger carries a 215-N suitcase up the stairs , a displacement of 4.20 m vertically and 4.60 m horizontally. How much work does the passenger do on the suitcase.
903 J
989 J
976 J
945 J
A sailor pulls a boat a distance of 30.0 m along a dock using a rope that makes a 25 degree angle with the horizontal. How much work does the rope do on the boat if its tension is 255 N?
7.65 x 103 J
6.93 x 103 J
7.65 x 103 N
5.23 x 103 J
A mover loads a 185-kg refrigerator into a moving van by pushing it at a constant speed up a 10.0 m , friction free ramp at an angle of inclination of 11 degrees. How much work is done by the mover on the refrigerator?
1.86 x 103 J
3.45 x 102 J
3.46 x 103 J
1.78 x 104 J
What is the common formula for work?
W=F v cos (angle between the direction of motion and the force)
W=F d cos (angle between the direction of motion and the force)
W=F m cos (angle between the direction of motion and the force)
W=F t cos (angle between the direction of motion and the force)
