How much force is needed to set an object in motion?  a. the same force to keep it in motion b. less force to keep it in motion c. force more than to keep it in motion d. as much force as is needed to overcome inertia

Q: A 100 N object is suspended from two massless ropes that are attached to the ceiling. The rope to…

A:

Q: Kevin is pushing an empty cart of 25 kg mass with a force 100 N. He loads 15 kg goods in the cart.…

A: Mass of empty cart (m) = 25 kg Applied force (F) = 100 N Mass of goods (M) = 15 kg

Q: Jason is pulling a box across the room. He is pulling with a force of 17 newtons and his arm is…

A: Given data:  Force applied (F) = 17 N Angle (θ) = 52°, with the horizontal Weight of box (W) = mg =…

Q: 5. A block with a weight of 50N is pulled up a ramp with a 125 N force. There is a frictional force…

A:

Q: Sara pushes a 45 kg box across the floor with a force of 280 N. The coefficient of friction between…

A: Given, m = 45 Kg F = 280 N μ = 0.60

Q: There is a 20 N force pulling an object to the left. The force of friction is 10 N in the opposite…

A: SOlution: gievn that F = 20 N Ff = 10 N to find the resultant force

Q: A 1200-kg car pushes a 2100-kg truck that has a dead battery to the right. When the driver steps on…

A: By using Newton's 2nd and third law, we get:Fnet=(M+m)a......(1)where,Fnet is the net forceM and m…

Q: A squid is able to use a type of jet propulsion to accelerate away from predators by ejecting water…

A: Velocity, v = 8 m/sTime, t = 0.35 sThrust force, T = 30 NMass of the squid, ∆m = ?

Q: A force of 400 N is applied to an object that acceleration at a rate of 5 m/s^2. What is the mass of…

A:

Q: 10. Josh kicks a soccer ball with a force of 200 newtons. The ball accelerates at a rate of 100…

A:

Q: A truck is towing a trailer. The truck is accelerating to merge onto the highway. How does the…

A: Given data: Truck towing a trailer Truck accelerating forward on the highway

Q: 1. A little boy pushes a wagon with his dog in it. The mass of the dog and wagon together is 45 kg.…

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

Q: 7. A dolphin experiences a force of 320 N [up] when it jumps out of the water. The acceleration of…

A: Given: The experienced force by the dolphin is 320 N (up). The acceleration of the dolphin is 2.6…

Q: 6. What is the mass of an object that a force of 23 N is applied to it so that it can accelerate at…

A: 6.   Given         Force (F) =  23N         acceleration(a) =128.2 m/s² According to Newton's Second…

Q: 13. The' force of acting on an object was 3123 N and had an acceleration of 19.8 m/s². What was the…

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

Q: 4. A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s² and is pulled by…

A: Given: Force, F=47N Acceleration of box, a=0.08m/s2

Q: 4. A force is applied to the right to drag a sled across loosely packed snow with a rightward…

A:

Q: 5. Two men are trying to pull a box which will not move until 200 N total force is applied in any…

A:

Q: 5. A small rock (m-3 kg) and a car (m-1000 kg) stay still on flat ground. Draw a force diagram for…

A: SOlution: given that mass of rock m= 3 kg mass of car M = 1000 kg

Q: Jack pulls his 15 kg sled across the snow with 75 N of force . The coefficient of friction between…

A: Mass of the sled is m = 15 kg Coefficient of friction between the sled and the snow is μ = 0.4 Force…

Q: 7. When a bowling ball hits pins, the ball slows down and the pins start moving. Explain why this…

A:

Q: 3. Rose is riding her bike at 10.0 m/s when she slams on her brakes. She stops in 2.0 seconds.…

A: Given- Velocity of bike (U) = 10 m/s Time taken to stop (t) = 2 sec, Total mass (m) = 70 Kg

Q: 5. Albert and Peter are skating. Albert pushes the 40 kg Peter with a force of 5 N. What is Peter's…

A: Mass of Peter,  Force applied on Peter,    Applying Newton's second law of motion, we have

Q: Example\\ Determine the weight in newtons of a car whose mass is 1400kg.

A: Weight is the force with which earth attracts the objects towards itself. Suppose the mass of a body…

Q: A 1000 kg automobile is pulled by a horizontal line with a net force of 713 Newtons. (a) What is the…

A: Given: Mass (m) = 1000 kg Force (F) = 713 N

Q: A man pulls a 100 N box using a rope oriented at an angle of 30° with the horizontal force of the…

A: The FBD of the box is a shown. T is the rope tension.

Q: You push on a block on frictionless ice with a force of 8 N, causing it to accelerate at 2 m/s2. The…

A:

Q: A 44.68 kg bicycle and rider accelerate at 0.66 m/s2.  What is the net force acting on the bicycle…

A: Given Data: The mass of a bicycle and a rider is, m=44.68 kg The acceleration of a bicycle and a…

Q: 10. A child pulls a wagon with a force of 12 N. The force of friction on the wagon is 3 N. What is…

A: Question no 9 requires previous question. 10. Fforward = 12 N Ffriction = 3 N Fnet = 12 N - 3 N = 9…

Q: A 5 N chair is at rest on the ground . a man applied 786 N of force downward by sitting down . If…

A: Given : Weight of the chair WC = 5 N Weight of the man WM = 786 N Required : Normal force acting on…

Q: knowing that objects can't exert a net force over themselves, use forces and Newton’s laws to…

A: if a car is moving on a rough surface then we say according to the Newton's first law of motion.. 1.…

Q: A 45.7 kg bicycle and rider accelerate at 0.84 m/s2.  What is the net force acting on the bicycle…

A: Using Newton's second law, F=ma

Q: Two children are arguing over a toy. One pulls on the toy with a force of 34 N[N]. The other pulls…

A:

Q: While moving, a 50 kg box is pulled at a constant speed. The person pulls the 200 N force. There is…

A:

Q: 1. A force of 20 N acts upon a 5 kg box. Calculate the acceleration of the block.

A: Force = 20 N  mass = 5 kg

Q: Q02. If you pull a sled up a slope, what is correct for the magnitude of a normal force? a. It is…

A:

Q: A certain crane lifts 3479 N object from the ground from rest. If the object is lifted at an…

A: Given data: Weight of object (mg) = 3479 N Acceleration (a) = 2.5 m/s2 Force applied by crane (F) =?…

Q: Jason is pulling a box across the room. He is pulling with a force of 15 newtons and his arm is…

A: Weight of box, mg = 9 N Jason's pulling force, FA = 15 N Angle of arm (or force applied by Jason) to…

Q: A child sitting on a sled is pulled by a rope along a frictionless surface.  The child and the sled…

A: m=Wg=219 N9.8 m/s2=22.3 kg

Q: 9. What is the mass of a 10.0 lb. bag full of potatoes? 10. Find the force (N) on a 3000 kg car…

A: (9)        Given data :                           Pound mass of bag of potatoes = 10.0 lb…

Q: 12 An older sister begins to pull her little brother on a sled as shown with a force of 25N along…

A:

Q: 1. The following diagram shows a mass hanging from a cable that runs over a pulley and connects to a…

A: The tension in 3rd cable is: T3=mg=21.5×9.8=210.7 N Relationship among the tensions according to…

Q: A 3000-kg cart starts down with an acceleration of 2 m/s 2 . What is the tension in the cable at the…

A: Mass = 3000 kgAcceleration = 2m/s2Tension at the staut of cable =? Tension force = ma        T= m×a…

Q: A 22.8 kg crate rests on a scale. A worker pulls on a rope attached to a crate with a force of 150…

A:

Q: An adventurous archaeologist crosses between two rock cliffs by slowly going hand over hand along a…

A:

Q: Two students are rolling a ball in the grass. Student 1 applies a force of 20 N to a ball in order…

A: The students are rolling a ball between them on a grass field. In order to pass the ball through the…

Q: 42)A net force of 90 N accelerates a bike and rider at 2 m/s². What is the mass of the bike and…

A: The net force acting on the bike and rider, Fnet=90 N The acceleration of the bike and rider, a=2…

Q: A box is being pushed to the right with a force of 48N, causing the box to move with an acceleration…

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

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!