A 1000 kg car pushes a 2000 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels  of the car push backward against the ground with a force of 4500 N. a. What is the magnitude of the force of the car on the truck? b. What is the magnitude of the force of the truck on the car?

Q: A woman at an airport is towing her 23.5-kg suitcase at constant speed by pulling on a strap at an…

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Q: A 125 kg wooden crate is loaded from the back of a wooden dump truck bed. a) How fast can the truck…

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Q: A bowling ball weighing 71.2 N is attached to the ceiling by a 3.80-m rope. The ball is pulled to…

A: Given data: The weight of the ball, W=71.2 N The length of rope, L=3.80 m The velocity of ball,…

Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

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Q: You push a box with a force of 200 N. It slides with a constant velocity across the floor. a.…

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Q: A man is standing on a scale inside an elevator. As the elevator starts to go up with an…

A: Let N denote the force on the person, m denote the mass, a denote the upward acceleration, and g…

Q: An astronaut on the moon places a package on a scale and finds its weight to be 13 N. (a) What…

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Q: A boat moves through the water with two horizontal forces acting on it. One is a 2000N forward push…

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Q: (a) A student makes a statement that a stationary object has zero acceleration but there still can…

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Q: Two children fight over a 200 g stuffed bear. The 25 kg boy pulls to the right with a 15 N force and…

A: Let m denote the mass of the bear, F1 denote the rightward force (take as positive direction), F­2…

Q: A man sits in a seat that is hanging from a rope. The rope passes over a pulley suspended from the…

A: According to the condition of equilibrium, the net or algebraic sum of all forces and moment about a…

Q: An object of 50 kg is being moved along a horizontal surface by two people. They are both pushing…

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Q: The fastest pitched baseball was clocked at 47 m/s. If the pitcher exerted his force (assumed to be…

A: The mass of the ball, m = 145 g = 0.145 kg The initial velocity of the ball, vi = 0 m/s The final…

Q: A 600 N man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale…

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Q: Two blocks tied together by a horizontal string are being pulled across the table by a horizontal…

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Q: A 32 kg sled is being pulled along a horizontal icy surface by a rope. The constant tension in the…

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Q: There are two masses suspended from a pulley. The mass on the right is 100kg and it takes 5.0 s to…

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Q: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its…

A: a) We know ,    V=u+atgiven , V= 90km/h              = 90x1033600            = 25m/su=0t=10…

Q: A football player weighing 85 kg accelerates from a stationary position, over a distance of 10m and…

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Q: Chelsea needs to move a 30kg box which is stationary on a wooden floor; the coefficients of friction…

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Q: A copper 55 kg crate is on a steel floor.. a. What is the weight of the crate? b. What is the normal…

A: Dear student The minimum force required to move the block from rest is equal to maximum static…

Q: A 5kg box is sitting on a floor. a. What is the box’s mass? b. What is the box’s weight? c. What is…

A: (a) The mass of the box is, m=5 kg

Q: A woman at an airport is towing her 23.0-kg suitcase at constant speed by pulling on a strap at an…

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Q: an astronaut on the moon places a package on a scale and finds its weight to be 25 N.  (a) What…

A: a. the acceleration due to gravity on the surface of the moon is 1.6 m/s^2.

Q: A boat moves through the water with two forces acting on it. One is 2000 N forward push by the water…

A: Formula of acceleration of boat is as follows: a=Fnetm…

Q: A worker pulls a large 80 kg box to the right across a frictionless floor with a 200 N force applied…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A man pushes a 92 kg crate with 272 N of force.The crate experiences a force of friction of 25 N. a.…

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Q: A bag of sand that is 350N is at rest on a ramp that is 50 degrees above the ground. a. What is the…

A: Since Sand bag is resting on the inclined ramp, net force on the sand bag is zero.  The force due to…

Q: A student pulls a 10 N block along a rough horizontal surface. The horizontal and the vertical…

A: Given data: The weight of the block is W=10 N. The horizontal force acting on the block is F1=4 N.…

Q: 3. A block and sphere are connected by a cord that passes over a pulley as shown. Neglect friction…

A: The free body diagram of the block and sphere is m2a=T-m2gsin50                    ......(1)…

Q: A 67 kg circus gymnast is suspended in the air by two ribbons which are tied to the ceiling above…

A: m = 67 kgθ =48°

Q: A 5.00 kg chair is sliding sideways at a constant velocity. You are pushing the chair with a 40.0 N…

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Q: a) Two objects with masses M1 = 2kg and M2 = 5kg are connected by a light string that passes over a…

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Q: A hockey puck (mass = 3 kg) leaves the players stick with a speed of 20 m/s and slides on the ice…

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Q: a. Explain, with a free body diagram, how an object can experience a zero net force when at least…

A: A) Net force is equal to 0 when sum of force in x in y direction sums to 0. B) Non zero net force is…

Q: The weight of an astronaut plus his space suit on the Moon is only 350 N. (a) How much does the…

A: The acceleration of gravity on the moon is gmoon Acceleration of gravity on the earth is gearth…

Q: Jack pulls a cart with a force of 30 N by a rope tied to a cart and making an angle of 25° with the…

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Q: A 4.5 kg block is pulled across a horizontal surface that has a coefficient of kinetic friction of…

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Q: A 6.00 kg crate is sitting on a frictionless ramp and is connected to a hanging 8.00 kg crate by a…

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Q: An astronaut on the moon places a package on a scale and finds its weight to be 35 N. (a) What…

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Q: The block shown in figure #1 above has a mass of 4.30 kg. The applied force (? ⃑ ) has a magnitude…

A: a) The magnitude of force of gravity is,

Q: a. Carlo walks 8 km East, then 5 km South and finally 6 km West. Find his final displacement. b.…

A: (a) The distance traveled by Carlo is shown below. Consider the eastward direction as +i and…

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?”