Introducticn to Forces 1. For each of the following situations, draw a picture that communicates the forces involved. A. A box is sitting, at rest on a table. B. A ball is rolling at a constant speed along a level track. C. A ball is falling to the ground.

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: The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650 N.…

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Q: A steady force impacts a 0.85 kg ball resting on the ground. The impact lasts 0.36 seconds,…

A: Given Data, Mass of the ball (m)=0.85 kg Time duration (∆t=0.36 s Velocity (v)=3.1 m/s

Q: Three forces act on an object, considered to be a particle, which moves with constant velocity v =(3…

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Q: Two boys pull a car north from road with a net force of zero on the car. Boy 1 exert a force of 31 N…

A: Given the net force on the car is zero. Therefore we just need to equate the horizontal and vertical…

Q: Two forces, Fı and F2 , act at a point. F1 has a magnitude of 9.80 N and is directed at an angle of…

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Q: Figure 28-41 shows a rectangular, 25-turn coil of wire, 10.0 cm by 5.0 cm. It carries a current of…

A: Step 1: Step 2:Step 3: Step 4:

Q: Two blocks, each of mass m = 2.1kg are pushed along the horizontal surface of a table by a…

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Q: Which force will have the greastet average rate of force development between 0 and 50 msec? A is…

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Q: It is the STRONG NUCLEAR FORCE of the neutron that keeps the nucleons of the atom together if…

A: There are 4 kinds of fundamental forces. These are, Gravitational Force: It acts between two…

Q: Suppose that the Red cart has a mass of 500 grams, and the blue cart has a mass of 250 grams, and…

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Q: The coordinate direction angles of the resultant of the two forces (these are the same two forces…

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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: The diagram below is a top-down view of two children pulling a 13.2-kg sled along the snow. The…

A: The frictional force acting on an object is the opposing force exerted by the surface on an object…

Q: A person is pushing on a car with a force of and another person is pushing on a car with a force of…

A: Given data: The force applied by person 1 is <4,-18>. The force applied by person 2 is…

Q: Given a collision in which car #1 of mass 5,000 kg collided with car #2 of mass 2,500kg . If the…

A: Given data: Mass of the car 1 is, m1 = 5000 kg Mass of the car 2 is, m2 = 2500 kg The magnitude of…

Q: Find the size of the net force produced by a 3 N and an 10 N force in each of the following…

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Q: Use the rectangular component method to solve the fol- lowing problems. Determine the magnitude R of…

A: Given - F1 =100 lb  F2 = 200 lb…

Q: There are two forces on the 2.92 kg bax in the overhead view of the figure but only one is shown.…

A: Given:-  The mass of the box is m = 2.92 kg  the force F1 = 22.7  N  The acceleration a = 14.0 m/s2…

Q: A particle, which remains at rest, is acted on by three forces, P, Q and R, and no others, as shown…

A: Given: Three forces P, Q, and R are acting on the particle and the particle is at rest. Therefore…

Q: Two forces are shown in the figure. Force A has magnitude 8 units and angle α is 40 degrees. Force B…

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Q: 4. Two hockey players check an opponent into the boards simultaneously. Player 1 hits from the left…

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Q: A father pulls his child on a sled by pulling on a rope over his shoulder with a force as much as 75…

A: f=Force of friction=15 NFr=Force on rope=75 Nw=Weigth of child and sled=180 Nθ=Angle the rope makes…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”