3. If something moves in a straight line path at steady speed, it will move with constant 4. Something will move at constant velocity in the absence of a 5. What does inertia say:
Q: 3. What happens to the box when you remove the applied force acting on it? Why?
A: We Need to tell what happens to the Box when the applied force acting on it is removed.
Q: 12. An object accelerates 16.3 m/s? when a force of 4.6 Newtons is applied to it. What is the mass…
A:
Q: 4. A skier is going down a hill with an angle of 30°. His weight is 60kg and his normal force is…
A: Given- Angle made by hill to horizontal (θ) = 300 Weight of skier (W) = 65 kg (W = mg ) Mass (m) =…
Q: 11. An object accelerates 7.2 m/s? when a force of 4.0 newtons is applied to it. What is the mass of…
A:
Q: Is inertia a force? Explain
A:
Q: 15. What is the mass of a stone which accelerates at a rate of 2.0 m/s? when a newtons is placed on…
A:
Q: 21. Now consider the book being shoved from left to right across the tabletop. If the forces are…
A: When the book is shoved from left to right, the forces are unbalanced. The normal and gravitational…
Q: Explain how a person taking a nap on a grassy meadow is an example of inertia
A:
Q: 3) An elevator is being pulled upward by a cable. If the elevator has a weight of 102,900N, find the…
A: Given Information:- Weight of the elevator is W=102900 N Acceleration of the elevator is a=1.5 m/s2…
Q: A car goes around a curve on a road that is banked at an angle of 34.5 °. Even though the road is…
A: The speed of the car can be written as v=Rgμs+tanθ1-μstanθ1/2 μs=0v=Rgtanθ1/2…
Q: An object weighs 444.17 newtons. What net force can make it accelerate at 13.69 m/s2? Round off your…
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Q: 2. A basketball star exerts a force of 3350N upon the gym floor in order to accelerate his 78kg body…
A:
Q: 4. Suppose that the particle of the previous problem also experiences forces F 2 = -17î N and F 3 =…
A:
Q: 2. A cord passing over a pulley has a 70kg mass tied on one end a 9.0 kg mass on the other end.…
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Q: Knowing that a 1-kg object weighs 10 N, confirm that the acceleration of a 1-kg stone in free fall…
A:
Q: 14. What will the spring scale read for a 55kg student in an elevator that moves upward with a…
A: Mass of the student, m = 55 kg Acceleration due to gravity, g = 9.81 m/s2 Since the speed is a…
Q: 6. A person of 45 kg can accelerate at 1.5 m/s? on a straight road. What is the force created? (2…
A: By Newton's second law F = ma F = 45×1.5 F = 67.5 N
Q: A stalled car is being pushed up a hil by 3 people, and it is moving at a constant speed. the net…
A: Mathematical Proof Object is moving with constant velocity v = k m/s So the change in velocity Δv= 0…
Q: 02. What push P up the incline is needed to move a 200-N block up the incline at constant speed if μ…
A: Draw the free-body diagram of the system.
Q: 7. Determine the acceleration of the system shown. 12 kg 8 kg
A:
Q: How does changing the applied force affect acceleration?
A: According to the Newton's second law of motion, the acceleration produced by an object is directly…
Q: Seth wants to drag a 20.0 kg. sled over a flat field. He pulls on the rope horizontally, and the…
A:
Q: 5. If the mass of the pulley is ignored, the acceleration of the blocks is 2.45 m/s². 5 kg 3 kg
A:
Q: 7.) The gardner below pushes the lawnmower with a force of 200 N at an angle of 55 degrees. If the…
A: Given data, Force acted bt man = 200N mass of mower = 20kg angle made by mower with respect to…
Q: 1. If M = 6.0 kg, what is the tension in string 1 and 2? 30 60 M
A: "Since you have posted multiple questions we will solve the first one for you. If you want a…
Q: 4.) How long (T in seconds) does a force of F=200N need to be applied to a mass of M=10kg, to…
A: Given: The mass of the object is 10 kg. The applied force is 200 N. The initial velocity is 0 m/s.…
Q: 3. Fred spends most Sunday afternoons at rest on the sofa, watching pro football games and consuming…
A: Due to consuming food his mass increase If mass increase then velocity of the object decrease.
Q: The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is…
A: Given: Coefficient of rolling friction = 0.002 Mass of the locomotive= 180,000 Kg Speed of the…
Q: 1. Calculate the force that would have to be applied for a 75 kg body to acquire an acceleration of…
A: mass of body, m = 75 kg acceleration of body, a = 56.36 m/s2.
Q: 10. A steel bar hangs from a cable as a crane fifts it. What forces act on the bar? a. Gravity b.…
A:
Q: If the net force is changing, why isn't the acceleration changing? Explain.
A:
Q: End the acceleration when freton =0 Tnd the rope tension 40.0
A: Hanging mass in air (M)= 10 kg Mass of block on inclined plane (m) = 5 kg
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: 11. Draw FBD for the accelerating right mass. 12. Draw FBD for all masses. The left mass accelerates…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
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: 4. A force of 1 lb acts on a 1 slug object that can move freely. The object's acceleration is?
A:
Q: 4. If w ball is rolling with the velocity of 20 cm/sec and no force acts on it . What will it’s…
A: Newton first law is law of inertia; the body tends to maintain the status of uniform motion or…
Q: We have previously learned about inertia. Give a definition for inertia.
A: Step:1 Let us first understand inertia. Basic idea: Inertia is the property of an object that shows…
Q: 10. A 5kg chair is being pushed to the right with a force of 20N but accelerates at 1m/s^2.…
A: Using Newton’s second law Fnet=maF+f=maf=ma-f
Q: 1. A rightward force of 250N is applied to a 25kg crate to accelerate it across the floor. Determine…
A:
Q: 2. Calculate the mass m of the second cart.
A: Given data: The initial speed of 2nd cart is m/s The final speed of the second cart is v2=1.6 m/s…
Q: 2) An objects dropped fall down toward the Earth with constant acceleration is suffer: a) Freely…
A: An object freely falling towards the earth is having an accelaration g due to the force of gravity…
Q: 4.If the tension in no. 2 is 120N, what are the velocity of the box and the distance it travels…
A:
Q: The system shown is released from rest. After release, the 5kg block moves upwards with an…
A:
Q: 93. As shown below, if M = 5.50 kg, what is the tension in string 1? %3D od s lo 40° 2.
A:
Q: 4. Use the following five words (together with other words) in a single sentence that makes…
A: There is a car which is starting moving on an inclined plane with an angle x..First the static…
Q: Write 10 examples for inertia in our daily life
A: Examples of inertia: Leaves get detached from the tress when shaken hardly Dust particles coming…
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…
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- . The Kingda Ka roller coaster in New Jersey is the world’s tallest ride of its kind. As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m/s (128 mph) in just 3.5 s. (a) What is the acceleration experienced by passengers on this ride in m/s2? In g’s? (b) If a certain passenger has a mass of 65 kg, what is the force in newtons that acts on him during the launch phase of this ride? What is the force in pounds?Whirl a 7kg weight on a 1.8m rope the weight makes 1 rev in 1 second. A. What is the centripetal acceleration of the weight? B. What is the tension in the top?1. Suppose a 3.7 slug gymnast isclimbing.arope. Part A: Whatis the ten siun in the rope, in onds it he climbs at a constantt Speed? PartB: What is the TenSion in he rope in goundst he accelerater ueward a miratarate 074.9s?
- 10. How much horizontal force is needed to produce an acceleration of 8 m/sec² on a 75 kg box? A. 600 N B. 500 N C. 400 N D. 200 N 11. g=32.2 ft/sec². How is it expressed in SI? A. 9.81 m/sec² B. 9.86 m/sec² 12. What path does a projectile follow? A. ellipse B. parabola C. 9.08 m/sec² C. part of a circle D. 9.91 m/sec² D. hyperbolaA 5.0 kg object is to be given a downward acceleration of 0.30 meter per second squared with a rope supporting it upward. What must be the tension in the rope? A. 51 N B. 48 N C. 55 N D. 49 N E. None of the aboveWhat centripetal force is experienced by an object whirled in circular motion if it has the mass of 0.25 kg using a .67 m cord with a speed of 2.3 m/s? a. 1.27 N b. 1.54 N c. 1.97 N d. 2.30 N
- 1. What causes an object to accelerate? a. Inertia b. net force acceleration d. mass 2. What will be the acceleration of an object with lower inertia? a. An object will have a lower acceleration because a lower inertia means a greater mass. b. An object will have a greater acceleration because a lower inertia means a lower mass. c. An object's mass has nothing to do with the object's acceleration. d. An object's mass is not a measure of the object's inertia . 3. John was riding a skateboard and hit a curb in the front wheels. His skateboard stopped and he was thrown forward. Which of the following best describes the scenario? a. A net force (which comes from the curb) acts both to John and the skateboard. b. A net force (which comes from the curb) only acts to John that is why he was thrown forward. c. A net force (which comes fiom the curb) only stops the skateboard and not John that is why he wa thrown away. d. A net force is not relative to John and the skateboard. 4.The…d. 69.90 m a. 6.12 m C. 18.36 m b. 12.24 m 20. What weight will a spring scale read for a mass of a 60 kg woman stand on it in an elevator that moves downward with an acceleration of 6.0 m/s ? a. 984 N b. 588 N C. 786 N d. 228 N 11. A wheel 7.0 m in radius accelerates uniformly from 120 rad/min to 360 rad/min in 2.9 s. What is the angular acceleration? a. 2.26 rad/s^2 b. 6.55 rad/s^2 c. 1.38 rad/s^2 d. 2.76 rad/s^2 12. A person pull a 35 kg block 50 m along over a rough, horizontal surface with Hk = 0.30 a constant force Fp = 150 N, which acts at a 30° above the horizontal floor. If the frictional force is 80 N, what is the total net work done? a. 1433 J b. 11295 J c. 1917 J d. 2495 J 13. A child bounces a 52 g superball on the sidewalk. The velocity of the superball is from 24 m/s downward to 15 m/s upward. If the time contact with the sidewalk is 1.25 ms, what is the magnitude of the average force exerted on the superball on the sidewalk? a. 1622.4 N b. 1398.4 N C. 1248 N d. 374.4 N…¿. The only force acting on a 10-kg object has components Fx = 60 N and Fy = 80 N. Find the acceleration of the object. a. 7.2 m/s2. O b. 9 m/s2. O c. 7 m/s2. С. O d. 100 m/s2. O e. 10 m/s2.
- A skydiver is parachuting down to earth, falling at a constant speed. What forces are on the skydiver? For the following. 1. Up: 2. Down: 3. Left: 4. Right:Force and motion 4. Compared with the mass and weight on Earth, astronauts on the surface of the moon has _____. a. less mass and less weight b. the same mass and less weight c. less mass and more weight d. less mass and same weigh 5. A 15 kg block of wood is at the top of the table. What is the normal force exerted by the table on the block? a. 741 N b. 147 N c. 1.53 N d. 24.8 N 6. A 12 N bag is hanging with a cord. How much is the least tension exerted by the cord to stay the bag at rest? a. 1.2 N b. 21.8 c. 2.1 N d. 12 NWhat is the acceleration of a 500-kg tricycle moving at 8 m/s takes a turn around a circle with a radius of 20 m? a. 0.4 m/s2 b. 4 m/s2 c. 0.5 m/s2 d. 5 m/s2 Is the answer is in the choices?