An acrobat with a mass of 41-kg jumps on a trampoline.  What force does a trampoline have to apply to accelerate her straight up at 7.5 m/s2 in Newtons?

Q: 5.0 second interval? A net force of 5.0 x 10 newtons causes an object to accelerate at a rate of 5.0…

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Q: A 450-kg sports car accelerates from rest to 100 km/hr in 4.80 s. What magnitude force does a 68.0…

A: given:  initial velocity, u = 0 m/s final velocity, v = 100 km/h = 27.78 m/s time,  t = 4.8 s  mass,…

Q: A 2-kg body of mass is moving on a horizontal frictionless surface with a velocity of 4 m/s. What is…

A: Mass of body (m) = 2 kg velocity (v) = 4 m/s time (t) = 5 seconds

Q: A 10 kg wagon is pulled with a horizontal force of 10N. If the sidewalk offers 4N of resistance,…

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Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

Q: You are fishing and catch a fish with a mass of 6 kg. If the fishing line can withstand a maximum…

A: Given - mass of fish , m = 6 kg maximum tension fishing line can withstand, F = 100 N

Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

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Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 6.9 ✕ 105…

A: freight train has a mass = 1.2 ✕ 107 kg vi = 0 m/s vf = 70 km/h = 19.44 m/s F(locomotive) = F(pull)…

Q: A spaceship takes off vertically from rest with an acceleration of 29.5 m/s2.29.5 m/s2. What…

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Q: If a man weighs 860 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration…

A: Given that,  W=860 Nmg=860 N   Therefore, the mass of the man is, m=860 N9.8 m·s-2   =87.76 kg

Q: A 40 kg sprinter starts from rest and 2.0 s later is running at a speed of 8.0 m/s. What is the net…

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Q: What net force is required to make a 3.0 kg object continue traveling at a constant speed of 2.0…

A: Data given ,  Mass of object (m) = 3 kg Speed = 2 m/s  We know that , Net force ( F ) = ma  Where ,…

Q: A constant force of 200N is required to accelerate a 1600-kg trailer from rest to a speed of 25 m/s.…

A: Write the given values with the suitable variables. F=200 Nm=1600 kgu=0 m/sv=25 m/s Here, F is the…

Q: A 200-g object fell and accelerated for 20 s over 10 m, from rest. What is its net force? * 40000 N…

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Q: What is the magnitude of the final velocity of a 7.5 kg moving push cart maintained by an unbalanced…

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Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105…

A: From Newton’s second law of motion.

Q: Under a certain conditions, the human body can safely withstand an acceleration of 10 g. What net…

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Q: A 100 kg stunt woman falls from a three-story building that is 10 m high. If she falls into a net,…

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Q: As a 2.5 kg ball rolls down a ramp, the net force on it is 15 N.  What is its acceleration?

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Q: Wearing frictionless roller skates, you push horizontally against a wall with a force of 50 N. How…

A: The given value of the applied force against the wall is,

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Given: mass of baseball, m = 0.450 kg Force with which it is hit, F = 1700 N

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

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Q: You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and…

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Q: How long would it take for a net upward force of 100.0 N to increase the velocity of a 50-kg object…

A: Force is mass times acceleration.  Force and mass is given acceleration can be found using Newton's…

Q: A 5.37 kg toy car moves along an x axis with a velocity given by  v→ = -4.65t3 î m/s, with t in…

A: A 5.37 kg toy car moves along an x axis with a velocity given by  v→ = -4.65t3 î m/s, with t in…

Q: How much force must be applied in order for a 1200 kg car to maintain a velocity of 4 m/s in a…

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Q: When a force of 10N is applied to a body its acceleration is 2m/sz. The mass of the body is 5kg aO…

A: Answer:-    (a) 5 kg Given  Force (F) = 10 N  Acceleration of a body(a) = 2 m/s2  Mass of a body (…

Q: What is the resulting acceleration when an unbalanced force of 100.0 N is applied to a 5.00 kg…

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Q: A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's…

A: Given data: A apple fell from tree  Mass (m) = 140 g = 0.140 kg Required: The force exerted on the…

Q: A person pushes a parked car of mass 400 kg with a force of 2 (2) 200 Newtons until its velocity is…

A: M= 400kg  F= 200N  It is being pushed until it's velocity 5m/s

Q: A 62 kg climber falling at 9.4 m/s has their downward motion arrested at a distance of 5.3 m. What…

A: Given, mass of climber=62 kg Speed=9.4 m/s Let tension on a rope be T N

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

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Q: Calculate the net force needed to accelerate a 1500 kg car from 15m/s to 20 m/s in 2.0 s? (A 5000 N…

A: Given: The mass of the car is 1500 kg. The initial velocity of the car is 15 m/s. The final speed of…

Q: A 1000.0 kg car accelerates uniformly to double its speed from 13.7 m/s in 4.76 s. What net force…

A: Given data: Mass of the car m =1000.0 kg speed, u =13.7 m/s Time t =4.76 s

Q: The weight of a mass on Mercury, where the acceleration due to gravity is 3.61 m/s2, is 1235 N. What…

A: weight  of the mass on mercury  W = 1235 N = m g = m x 3.61 m = 1235/3.61   weight of  the mass on…

Q: A 3500 kg race car starts a race with an acceleration of 21 m/s?. What is the net external force on…

A: Since there are multiple questions posted, we will answer the first question for you. If you want…

Q: The froghopper holds the title of the best jumper of the animal world. A 0.0198-gram (1.98 X 10-5…

A: Mass of the froghopper, m = 1.98 x 10-5 kg Initial speed of grasshopper, Vo = o m/s Final speed of…

Q: Rudolf pulled a 50 kg sled over a snow-covered ground. If the coefficient of kinetic friction is…

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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!