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...
United in si
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...
You are racing in a rally on a snowy day when the temperature is near the freezing point. The coefficient of static friction between a car's tires and an icy road is 0.170. Your crew boss is concerned...
A block of mass M = 16 kg with a pulley attached slides along a frictionless ledge. It is connected by a massless string to a block of mass m = 5.2 kg. (a) Find the acceleration of each block...
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...
A 74.4-kg airplane pilot pulls out of a dive by following, at a constant speed of 184 km/h, the arc of a circle whose radius is 282.0 m. (a) At the bottom of the circle, what are the direction...
Both sides of wire start out with 5 washers with the total mass of 5m. When N washers are transferred from the left side to the right side, the right side descends 70.56 cm in 0.60 s. Find N...
In the figure below, m1 = 3.2 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.2-kg block is μk = 0.25. Find the magnitude of the acceleration of the masses...
The coefficient of static friction between a rubber tire and the road surface is 0.85. What is the maximum acceleration of a 1042-kg four-wheel-drive truck if the road makes an angle of 12.7° with...
A rear-wheel-drive car supports 48% of its weight on its two drive wheels and has a coefficient of static friction of 0.60. (a) What is the vehicle's maximum acceleration? (b) What is the...