Tips and tricks

Is it possible for a large force to result in a small amount work?

Is it possible for a large force to result in a small amount work?

So if an object has a very small velocity (not moving very far over time, even though a large force may be applied to it, the Power will remain small. Stepping on the gas, or “speeding up” the car, is applying a force which will increase velocity and increase power.

Can a set of forces have a net torque that is zero and a net force that is not zero?

For an object to be in equilibrium, it must be experiencing no acceleration. This means that both the net force and the net torque on the object must be zero.

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Is it possible for the net force acting on an object to be zero but the net torque to be greater than zero?

Solution: Yes, the condition of equilibrium is the all of the net forces and all of the net torques is equal to zero. 2 points (a) Give an example in which the net force acting on an object is zero and yet the net torque is nonzero.

How is it possible for a large force to produce small torque?

Since torque is dependent upon the distance from the axis of rotation, if a large force has sufficiently small distance from the axis, it can produce a low torque or even zero torque when the distance from the axis is zero.

Would movement possible without the application of force?

Yes, it is possible for motion to exist without force. Everything in the universe is in motion. An application of an external force is required to change the state of the motion. When the force is removed, the object acquires a new constant speed/direction.

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Can a small force ever exert a larger torque than a large force explain?

ANSWER: Yes, a small force can exert a greater torque than a large force. Torque equals the product of the force and the lever arm distance.

Can torque be produced if net force is zero?

Torque on a body can be zero even if there is a net force on it.

Can there be torque but no force?

The resultant torque can be either zero or non-zero. Consider a rod. If you exert two forces, equal in magnitude but opposite in direction, to one end of the rod, the resultant force is zero and the resultant torque is zero (because the torques cancel each other).

Is it possible to have forces on an object in the absence of motion of the object?

It is possible to have forces on an object in the absence of motion of the object.

Can a small force exert a greater torque than a larger force?

As long as the distance is large enough, a tiny force can create a torque as large as you like. Can a small force exert a greater torque than a larger force? Sure, remember that a torque is a force acting at a distance – so a longer moment arm (distance) multiplies what ever force is applied.

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What is torque and how does it work?

It’s all about leverage. As long as the small force has a large moment arm (long lever), it can create a large torque. The torque is basically defined to be the distance times the force. As long as the distance is large enough, a tiny force can create a torque as large as you like.

Does torque depend on the center of mass of a body?

Yes. A force applied on the center of mass of a body does not produce torque around this center of mass.

What happens when a large force is applied through the center?

A large force, applied through the center of gravity, produces no torque. Remember what a torque (or moment) is: two equal and opposite parallel forces. Also remember that a torque or moment can be applied anywhere on a rigid body with changing the equilibrium calculation. Why is healing the inner child so important?