Work problems Force at an angle

Quiz
•
Physics
•
11th - 12th Grade
•
Hard
+2
Standards-aligned

Korey Green
Used 34+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
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
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A rope is used to pull a metal box a distance of 15.0 m across the floor. The rope is held at an angle of 46 degrees with the floor, and a force of 628 N is applied to the rope. How much work does the rope do on the box.
6.54 x 103 N
6.77 x 103 J
5.34 x 103 J
6.54 x 10 3 J
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
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
Tags
NGSS.HS-PS3-1
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A wagon with a constant force is pushed by a student over a distance. What is the change in energy of the wagon when 5.0 N of force is applied over 0.5 m?
0.025 J
0.25 J
2.5 J
10.0 J
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
When a force is applied at an angle to the direction of motion, the only work done is...?
by the component of the force applied in the direction of he displacement.
by the component of the force pushing downward
by the force of friction between the object and the ground
by the component of the force applied perpendicular to the direction of the displacement.
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