Tension at an Angle

Consider the symmetrical hanging of a sign as shown at the right. If the sign is known to have a mass of 35 kg and if the angle between the two cables is 80 degrees, what is the tension in the cables?

Tags

NGSS.HS-PS2-1

Zavian has a 15 N picture to hang in his home. He wishes to minimize the tension force on the wires used to hang the picture. Should the wires be placed a 45- or 60-degree angle with the horizontal? Complete the following as evidence for your claim.

Claim: __The wires should be…______

*Make certain to state the values that you calculated (and show your work) for the wires above.

Tags

NGSS.HS-PS2-1

A box is held at rest on a frictionless incline as shown below. What is the tension, T, in the rope?

• 29 N

• 32 N

• 62 N

• 69 N

Tags

NGSS.HS-PS2-1

Joe wishes to hang a sign weighing 750 N. He uses two cables: A and B, attached to different buildings. Cable A makes an angle of 30^o, as seen in the picture.

What is the tension in Cable B?

• 433 N

• 750 N

• 866 N

• 0 N

Tags

NGSS.HS-PS2-1

A block is suspended by two ropes at angles of 30° and 60° with the horizontal. If the tension in the first rope is 50 N, what is the tension in the second rope?

• 43.3 N

• 50 N

• 57.7 N

• 60 N

Tags

NGSS.HS-PS2-1

A 10 kg object is hanging from a ceiling by two ropes. One rope makes an angle of 45° with the ceiling, and the other makes an angle of 60°. What is the tension in the rope making a 45° angle?

• 70.7 N

• 98.1 N

• 100 N

• 120 N

Tags

NGSS.HS-PS2-1

Which of the following best describes the tension in a rope when a force is applied at an angle?

• Tension is always equal to the applied force

• Tension is the component of the force parallel to the rope

• Tension is the component of the force perpendicular to the rope

• Tension is independent of the angle

A rope is used to pull a sled at an angle of 30° to the horizontal. If the tension in the rope is 100 N, what is the horizontal component of the tension?

• 50 N

• 86.6 N

• 100 N

• 115.5 N

Tags

NGSS.HS-PS2-1

In an experiment, a rope is attached to a wall at an angle. If the angle is increased, what happens to the horizontal component of the tension?

• It increases

• It decreases

• It remains the same

• It becomes zero

A climber is supported by a rope at an angle of 60° to the vertical. If the tension in the rope is 200 N, what is the vertical component of the tension?

• 100 N

• 173.2 N

• 200 N

• 300 N