In comparing two unequal forces on a rigid body, is it possible to have the larger force produce less torque than the smaller force? a. Yes b. No
In comparing two unequal forces on a rigid body, is it possible to have the larger force produce less torque than the smaller force? a. Yes b. No
A planet has ? the density of earth but 2x the radius. find the surface gravitational force on this planet. (Hint: Earth’s is 10N/Kg)
assume that the force exerted by your arms is the same in both cases
does a planet travel faster when it is nearer the sun or farther from the sun? what is the gravitational attraction between a dating couple sitting 0.152 m apart if the boy weighs 715...
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A box of mass 22 kg slides down a 22o slope with a coefficient of friction of 0.13. Find: a)the weight of the box b) the normal force on the box c) the frictional force...
If a propeller, on a stationary mounting, blows back 36kg of air per second at a speed of 45 knots, what thrust does it produce?
2. if you are using a hammer to hit a stake into the ground why will the acceleration of the hammer be less than the acceleration of the stake? a. force of the hammer...
alicia is pushing a box with a mass of 5 kilograms across a floor. jake is pushing a box with a mass of 10 kilograms across a floor. how much force will jake have to exert on the box he...
A force, F of 25 N is acting in the direction of a = (6,1). a) Find a unit vector in the direction of a. b) Find the Cartesian vector representing the force, f, using your...
At a building site, an iron girder of mass 400 kg is suspended from a crane by a steel cable. Assume that the cable has a circular cross-section of diameter 24 mm. a.What is the tensile force...
A 23kg suitcase is being pulled with constant speed by a handle that is at an angle fo 25 degrees above the horizontial. If the normal force exerted on the suitcase is 200N, what is the F applied...
Driving home from school, you spot a ball rolling out into the street. You brake for 1.30s, slowing your 1000kg car from 17.0m/s to 10.0m/s. What was the average force exeerted on your car during...
You plan to fly a model airplane of mass 0.550 kg that is attached to a horizontal string. The plane will travel in a horizontal circle of radius 5.10 m. (Assume the weight of the plane is balanced...
Your moving company is to load a crate of books on a truck with the help of some planks that slope upward 33°. The mass of the crate is 98.0 kg, and the coefficient of sliding friction between it...
A curve of radius 138 m is banked at an angle of 11°. An 762-kg car negotiates the curve at 82 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the following. (a)...
The radius of curvature of a loop-the-loop for a roller coaster is 14.0 m. At the top of the loop, the force that the seat exerts on a passenger of mass m is 0.35mg. Find the speed of the roller coaster...
Suppose you ride a bicycle in a 21.6-m-radius circle on a horizontal surface. The resultant force exerted by the surface on the bicycle (normal force plus frictional force) makes an angle of 13.8°...
A 0.70 kg stone attached to a string is whirled in a horizontal circle of radius 28 cm as in the figure below. The string makes an angle of 30° with the vertical. (a) Find the speed of the stone...
A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.