Biomechanics Equilibrium Quiz

What is the center of gravity?

• The point at which an object is perfectly balanced

• The point at which an object is weightless

• The point at which the entire weight of an object can be considered to act.

• The point at which an object is heaviest

Tags

NGSS.MS-PS2-4

Which of the following factors affect stability?

• Temperature, pressure, concentration, and catalysts

• Density, viscosity, solubility, and reactivity

• Volume, color, size, and shape

• pH level, humidity, time, and light

Tags

NGSS.MS-PS3-4

What is equilibrium?

• A state of complete stillness

• A state of balance or stability

• A state of constant change

• A state of imbalance or instability

What is torque?

• Torque is a measure of the force that can cause an object to move in a straight line.

• Torque is a measure of the force that can cause an object to accelerate.

• Torque is a measure of the force that can cause an object to rotate around an axis.

• Torque is a measure of the force that can cause an object to change shape.

Which of the following is an example of static balance?

• Standing on one leg without wobbling or falling

• Sitting on a chair without moving

• Standing on one leg while wobbling

• Walking on a tightrope without falling

What happens to stability if the base of support is wider?

• Decreases stability

• Has no effect on stability

• Causes instability

• Increases stability

Which of the following is true about the center of gravity in a stable object?

• It is located outside the object.

• It moves randomly within the object.

• It is located directly above the base of the object.

• It is located at the top of the object.

Tags

NGSS.MS-PS2-4

What is the formula for torque?

• Torque = Force x Distance

• Torque = Mass x Distance

• Torque = Power x Time

• Torque = Velocity x Time

Which of the following is an example of dynamic balance?

• Swimming in a pool

• Sitting on a chair

• Walking on a narrow beam

• Riding a bicycle

What is the relationship between torque and lever arm?

• Torque is equal to the lever arm.

• Torque has no relationship with the lever arm.

• Torque is inversely proportional to the lever arm.

• Torque is directly proportional to the lever arm.