A man pushes two boxes with the same amount of force (because they look identical and he can’t see inside them). The boxes are made of the same material, but one is full and the other is empty. Which box will speed up more?

Q: Two blocks each weighing 25 N are connected to the ends of a light string which is passed over a…

A: Solution: given that m1=m2 = 25 kg

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 53.2 degrees with respect…

A: In this question we have to find out the mass of the white block if both blocks are to slide to the…

Q: pine sphere (??pine = 0.545 g/cm3) with a radius of 10.0 cm is connected to a large iron anchor with…

A: tension  when body in air = mg = v d g  = 4πr3dg /3 v= volume = 4/3 πr3 = 4 x3.14 x 0.13 /3…

Q: A person drags a sled across a frozen lake to town. The surface of the lake is quite smooth and…

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Q: How much weight do the 2 objects ( on the top of the table and hanging object ) have respectively?…

A: Given The mass of the body lies on the top of the table is mt = 15 kg. The mass of the hanging…

Q: A person weighing 601.3 N stands on spring scales in an elevator that is moving downward with a…

A: Scenario - While going downward in a lift with constant velocity, a person experiences jerk due to…

Q: Your car just ran out of gas and you are stuck in the middle of the road holding up traffic.…

A: According to Newton's third law every action has equal and opposite reaction .It means if we exert…

Q: A light cord passes over a frictionless pulley of negligible mass. A 6. kg mass is attached to one…

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Q: Two blocks are positioned on surfaces, each inclined at the same angle of 56.6 degrees with respect…

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Q: A student wrote: “The only reason an apple falls downward to meet the earth instead of the earth…

A: Apple and earth

Q: Two masses are connected by a light cord through a light pulley and A rests on a horizontal smooth…

A: The given problem is based upon mass string concept. To solve the above problem we have to calculate…

Q: wo blocks are positioned on surfaces, each inclined at the same angle of 47.7 degrees with respect…

A: GivenAngle, θ=47.7°Mass of black block, M=7.01 kga=1.5 m/s2

Q: A rope 17 cm is suspended between two hooks, 13 cm apart and at the same level. What is the pull on…

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Q: A 10 kg is suspended vertically in a cord. What is the tension in the cord?

A: let us find the tension of the cord of 10 kg suspended vertically in the cord.

Q: Jig's car has a mass of 1000 kg and is out of gas. He is trying to push a car to a gas station and…

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Q: A 5 kg block resting on a frictionless inlined plane with an angle of 20° is attached to another 5…

A: Given data m1=m2=5 kgθ=20°

Q: The distance between two telephone poles is d = 52.0 m. When a 0.850-kg bird lands on the telephone…

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Q: what's the reaction

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Q: Two blocks are positioned on surfaces, each inclined at the same angle of 53.2 degrees with respect…

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Q: A vendor pulls a 250 N cart filled with pop cases so that it rolls along a level floor where the…

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Q: a large cube of ice (mass = 38.5 kg) is pushed across a surface (uk = 0.118) with a force of 52 N at…

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Q: In the diagram below, two identical blocks are connected via a massless string. The string is pulled…

A: The friction force is a force that obstructs the motion of the body. It is the force on the body by…

Q: 5. The net force on a 3.7 kg RC airplane is 7.0 N. What is the acceleration of the airplane? m: a :

A: Given: The mass of the RC airplane is 3.7 kg. The net force is 7 N.

Q: Recently, the Amazon and Virgin groups launched commercial space flights. These flights do not store…

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Q: A parachute has the same mass when it is in a pack and when it is spread out, but when the parachute…

A: The mass in both the given cases is identical for the parachute. When the parachute is not spread…

Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: Two blocks are positioned on surfaces, each inclined at the same angle of 43.6 degrees with respect…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

A:

Q: When you catch a water balloon, it’s best to start with your hand in motion, moving with the…

A: The goal is to reduce the momentum of the balloon to zero, so you should apply an impulse to do…

Q: Each propeller of the twin-screw ship develops a full-speed thrust of F = 210 kN. In maneuvering the…

A: For the tug given there to counteract the turning , we have the thrust exerted by tugs must create a…

Q: You sit behind the wheel of your car on level ground, release the brake, put the gearshift in…

A: As per question , the car is on a level ground. So, in the vertical direction , the normal force…

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 44.5 degrees with respect…

A:

Q: You are trying to escape a hoard of zombies and must make an elevator to get down a cliff as fast as…

A: vmax = 10 m/s h = 25 m acceleration (a) = 2 ms2m2 = 100 kg

Q: ocks are positioned on surfaces, each inclined at the same angle of 59.6 degrees with respect to the…

A: Givenθ=59.6°Mass of black block, m=3.24 kgAcceleration of blocks, a=1.5 m/s2

Q: At a certain mining operation, 2400 kg of gravel falls onto a conveyor belt every minute. If the…

A: Force exerted by the gravel on the belt F=ddtmv=mdvdt+vdmdt=vdmdt             dvdt=0

Q: A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 7.5 × 105…

A:

Q: A 90 kg woman on roller skates pushes a 35 kg girl, also on roller skates, with a force of 50 N. The…

A: By Newton's third law "For every action in nature is an equal and opposite reaction"

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!