Do you think there are any other types of simple machines, other than pulley, lever, wedge, wheel and axle, inclined plane, and screw? Why or why not?

Q: It was Tyler’s birthday party, and he had a piñata filled with candies in it. The piñata’s mass is…

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Q: What is the kinetic energy of a 3kg ball that is rolling 2m/s?

A: Kinetic energy of a moving particle , K.E = (1/2)MV2 Where M is mass of particle V is Velocity of…

Q: Work and Torque have the same physical dimensions True False

A: To determine  True and false

Q: A bowling ball of mass 7.28 kg and radius 10.5 cm rolls without slipping down a lane at 3.10 m/s .…

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Q: A bus uses the kinetic energy of the flywheel, which is supplied by the electricity at stations. How…

A: Given data:

Q: A 6kg hoop 3m in diameter rolls down a plane inclined 40 degrees. At the bottom of the incline, what…

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Q: Scissors are like a double lever system. Which of the 2 levers a fulcrum ( nail puller) or a wheel…

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Q: Two gears are adjusted so that the smaller gear drives the larger​ one, as shown in the figure. If…

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Q: A body moves in a circle at constant speed. Does the centripetal force that accelerates the body do…

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Q: A block of certain weight 89 kN starts at point A of a frictionless arc slide of radius equal to 2m…

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Q: The driveshaft of a car rotates at 450 radians per second with a torque of 150 Newton-meters. How…

A: Power = Torque x Rotation of shaft P = 150 N-m x 450 rad/sec P = 67,500 W

Q: Given M = î + 6ĵ- 4k and N = 2 î - 4 ĵ - 3 k, calculate the vector product M x N. Î+ Need Help? Read…

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Q: Can a machine act as a force multiplier and speed multiplier simultaneously ? If yes , how?

A: No, a machine cannot act as a force multiplier and speed multiplier simultaneously.

Q: A 34.6-gram Hot Wheels car is moving along the ground with a speed of 2.57 m/s. It approaches a hill…

A: The hot wheel car rolls back after the rolls up along the inclined hill due to its weight. Thus,…

Q: Calculate the IMA of a compound machine made of a lever with an input arm of 9 cm and an output arm…

A: Input arm (l) = 9 cm Output arm (L) = 3 cm Length of inclined plane (d) = 6 cm Height (h) = 0.5 m

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A: To find:  acceleration a of the masses let tension in the ropes be T Given: m1=2 kg m2=4 kg let…

Q: o when rotated through

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Q: QI. A vertical bar AB rotates with constant angular velocity w. A light non-stretchable chain of…

A: Assume that the chain of length L is mass-less. Let the radius of the given bar be denoted by r. The…

Q: A 6kg hoop 3m in diameter rolls down a plane inclined 40 degrees. At the bottom of the incline, what…

A: Given: The mass of the hoop m = 6 kg The radius of the hoop r = 1.5 m The horizontal distance  d = 3…

Q: In a two-pulley system, the centers of the pulleys are 20 inches apart. If the radius of each pulley…

A: Given:-                    In a two-pulley system, the centers of the pulleys are 20 inches apart.…

Q: Name the machine which is used to multiply speed?

A: There are three kinds of lever, first class lever, second class lever and third class lever.For the…

Q: For the given figure, the unknown mass. m, should be slug to maintain the bar in a horizontal…

A: The length of the bar is L=10 ft The weight on the left end of the bar is W1=12 lb Assume the mass…

Q: A bowling ball, whose radius R is 11cm and whose mass is 7.2Kg, roll from rest down a plank whose…

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Q: How far will the 100-kg block move 2 seconds after it is released from the position shown. The…

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Q: a flat circular frisbee of mass 2.26 and radius .669 meters is thrown in such a way that the speed…

A: Given: mass m = 2.26 kg radius R = 0.669 m velocity v = 0.838 m/s frequency   ω=21.7 rot/min =…

Q: Find the coordinates of the centroid (to the nearest 0.01 in.) of the uniform flat-plate machine…

A: The centroid is the arithmetic mean of all the shape's points. The centroid of a triangle is the…

Q: A Father spinning a child on a merry-go round , he exerts a Force of 140 N, at a distance of 1.4 m.…

A: 307.72N

Q: 25. If a complex machine is made up of a lever with a mechanical advantage of 3 and a wheel and axle…

A: Mechanical advantage is resistance force, Fr divided by effort force , Fe. And MAtotal  = MA1 ×MA2

Q: To make butter in the old days you would need to spin a handle that was attached to a mixer around…

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Q: In the pulley system shown in the attached picture, the free end of the rope wound around the…

A: Consider the free-body diagram of the pullies as follows.

Q: In a single movable pulley, if the effort moves by distance x upwards , by what height is the laod…

A: The expression for the velocity ratio,

Q: Wind velocity = 5 kph @ 2 m above ground; Rotor dia. = 3m, & Height of 12 m; Ground roughness - very…

A: Wind velocity  is 6.49 km/hr

Q: If the larger gear has 30 teeth and the smaller gear has 18, then the gear ratio (larger to smaller)…

A: Given data: The larger gear has 30 teeth. The smaller gear has 18 teeth. The gear ratio is 5:3. The…

Q: What type of simple machine is a flight of stairs? O pulley wedge inclined plane lever

A: A Simple Machine is a machine which helps in changing the direction of application of Force or in…

Q: The biock on a vnooth encleed plane n moving down with a constant acceleraton of 4 m/s The block on…

A: acceleration of block on the inclined plane = 4 ms2 , downwardsmass of block on inclined plane = 41…

Q: Write down a relation expressing the mechanical advantage of a lever.

A: The expression for the mechanical advantage of a lever is,Let us consider the load arm be AF and…

Q: rotational kinetic energy

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Q: Find the veloclty of the bucket with a mass of m 2.00 kg attached pulley with a mass of M = 3.00 kg…

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Q: am porm the origin. Calculate energy when objecta spins kinetic at 1 tad/s. around z anis.

A: Four masses m1=m2=m3=m4=12Kg Distance between of all the masses r=2m Angular velocity, ω=1rads

Q: Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it…

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Q: Find the required torque to drive a 5kg car up a 20 degree incline

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Q: Name the machine which is used to multiply force?

A: Simple force multiplying devices are used in various forms in many machines. Many machines are the…

Q: Which of these is not a simple machine?   A) a pair of scissors B) a lever C) a ramp D) the pulley

A: The machine is a mechanical device in which some form of input is given to get desired output. There…