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When a crate slide down an incline at a constant velocity it is?
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Are you agree that your weight is equivalent to the friction force. Why?
No. On a horizontal surface the normal force is equal to weight. If you are moving at constant velocity you only overcome frictional force, which is not equal to weight. This is easier to see on an incline. At some point an object will slide at constant velocity down the incline. This is related to trig functions of the angle of incline multiplied by the weight which is always less than the weight.
If you push horizontally on your book with a force of 1 N to make the book slide at constant velocity how much is the force of friction on the book?
No
A plane inclined at an angle 35 degrees from horizontal if the coefficient of static friction between the crate and the plane is 0.65 will the crate slide down the plane?
Is mgsinΘ > μmgcosΘ ? Is sinΘ > μ cosΘ ? Is sin35º > .65 cos35º Is .573 > .532 => Yes, so crate slides down the plane, no matter what the mass is or acceleration due to gravity
If you want to go faster on a slide what do you do?
1. Increase the angle of inclination. (of the slide) 2. Reduce drag (in air) by for eg: lying down, wear a streamlined suit/ helmet. 3. Introduce a lubricant and/or materials to reduce the coefficient of friction. 4. increase your launch velocity.
A 2.0 kg wood box slides down a vertical wood wall while you push on it at a 45 angle. What is the force applied to slide the box down at a constant speed?
23N
Are you agree that your weight is equivalent to the friction force. Why?
No. On a horizontal surface the normal force is equal to weight. If you are moving at constant velocity you only overcome frictional force, which is not equal to weight. This is easier to see on an incline. At some point an object will slide at constant velocity down the incline. This is related to trig functions of the angle of incline multiplied by the weight which is always less than the weight.
What is CV type carburetor?
CV stands for (constant velocity). These type carburetors are normally used on motorcycles. A CV carburetor (Constant Velocity) incorporates a vacuum operated slide that varies the venturi size within the carburetor, thus maintaining a constant velocity. The slide also holds a needle that when lifted by the opening slide varies the amount of atomized fuel delivered.
A constant push of 250 N is needed to slide a crate that weighs 400 N along a 2 meter long ramp If the ramp raises the crate 1 meter what is the ramp's efficiency?
80%
If you push horizontally on your book with a force of 1 N to make the book slide at constant velocity how much is the force of friction on the book?
No
If you slide a hockey puck across a frictionless ice rink these must be a horizontal force on it too keep it in the motion?
F=ma constant speed would mean 'a' acceleration is zero thus force zero. The puck would be in equilibrium, and the force would be zero at constant motion. Constant motion is constant velocity including the constant zero velocity.
What force is needed to slide a mass of 54 kg at a constant velocity along a surface on which the coeffcient of friction is 0.43?
As mass is to be moved with constant velocity, so a=0; F(net)=0; F-f=0; F=f; F=u*N; F=u*m*g; F=.43*54*9.8=227.556N...
A 21.2 kg child descends a slide 3.5 m high and reaches the bottom with a speed?
The answer depends on the incline (slope) of the slide. And, if you want a more realistic answer, a measure of the friction between the child and the slide.
What is another meaning for coast?
1. A slide down an incline, as on a sled. 2. land alongside the sea; seashore.
Is a pan a simple machine?
Yes, it is it allows you to slide something off the pan without using a lot of effort its an incline plane
Is a fry pan a simple machine?
Yes, it is it allows you to slide something off the pan without using a lot of effort its an incline plane
What causes a crate in the bed of a truck to slide across the bed until it hits the tailgate as the truck accelerates forward?
it does not have enough friction.
A plane inclined at an angle 35 degrees from horizontal if the coefficient of static friction between the crate and the plane is 0.65 will the crate slide down the plane?
Is mgsinΘ > μmgcosΘ ? Is sinΘ > μ cosΘ ? Is sin35º > .65 cos35º Is .573 > .532 => Yes, so crate slides down the plane, no matter what the mass is or acceleration due to gravity
