Dinamika Rotasi

A force of 10 N is applied to a wrench at a distance of 0.5 meters from the pivot point. What is the torque applied to the wrench?

• 3 Nm

• 5 Nm

• 8 Nm

• 2 Nm

Explain the concept of torque and provide an example of its application in everyday life.

• Torque is the measure of the force that can cause an object to levitate in the air.

• An example of its application in everyday life is using a spoon to stir coffee.

• Torque is the measure of the force that can cause an object to rotate around an axis. An example of its application in everyday life is using a wrench to tighten a bolt.

• Torque is the measure of the force that can cause an object to shrink in size.

If a force of 20 N is applied to a lever at a distance of 4 meters from the pivot point, what is the torque applied to the lever?

• The torque applied to the lever is 40 Nm

• The torque applied to the lever is 80 Nm

• The torque applied to the lever is 100 Nm

• The torque applied to the lever is 60 Nm

What is the formula for calculating torque?

• Torque = Power / Time

• Torque = Mass x Acceleration

• Torque = Velocity x Distance

• Torque = Force x Distance

Describe the relationship between force, distance, and torque.

• Torque is equal to force divided by distance.

• Torque is equal to the sum of force and distance.

• Torque is equal to the product of force and distance.

• Torque is equal to force multiplied by distance squared.

A force of 15 N is applied to a door at a distance of 0.8 meters from the hinge. What is the torque applied to the door?

• 8 Nm

• 12 Nm

• 20 Nm

• 5 Nm

Explain the concept of moment arm in relation to torque.

• The moment arm is the perpendicular distance from the axis of rotation to the line of action of the force.

• The moment arm is the distance from the axis of rotation to the center of mass

• The moment arm is the angle between the force and the axis of rotation

• The moment arm is the force applied to an object

If the distance from the pivot point is doubled, how does it affect the torque applied by a force?

• The torque applied by a force will remain the same.

• The torque applied by a force will be doubled.

• The torque applied by a force will be halved.

• The torque applied by a force will be tripled.

What are the SI units for torque?

• Meters per second (m/s)

• Newton meter (N⋅m) or Joule (J)

• Kilograms (kg)

• Watt (W)

A force of 25 N is applied to a wheel at a distance of 2 meters from the center. What is the torque applied to the wheel?

• The torque applied to the wheel is 25 Nm

• The torque applied to the wheel is 10 Nm

• The torque applied to the wheel is 75 Nm

• The torque applied to the wheel is 50 Nm