When a skier skis down a hill, the normal force exerted onthe skier by the hill is(a) equal to the weight of the skier.(b) greater than the weight of the skier.(c) less than the weight of the skier.

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 7.3 ✕ 105…

A: Given,

Q: A 4.00-kg object undergoes an acceleration given by a = (8.00 î + 4.0o j) m/s. (a) Find the…

A:

Q: Calculate the maximum allowable force that can be applied to stop a 1000 kg vehicle if the maximum…

A: Given:Mass, m = 1000 kgMaximum allowable acceleration, a = 2.5g = 2.5 x 9.8 = 24.5 m/s2.

Q: Assuming the mass is the same, how does the acceleration of an object depend on the force exerted on…

A: in this question  we discussed  second  law of motion.

Q: An object with a mass of 7.5 kg accelerates 8.3 m/s? when an unknown force applied to it. What is…

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: Suppose that the net external force (push minus friction) exerted on a lawn mower is 51 N (about 11…

A:

Q: Does the kinetic friction change with the applied force? Does the static friction change with the…

A: To explain : The change in kinetic friction with the applied force

Q: If not act any forces on a body, this means the body at rest. O False O True

A: Given  The statement is  if not act any forces on a body, this means the body at rest.

Q: A stone is thrown straight up. At the top of its path, the net force acting on it is O greater than…

A: When stone is thrown up , only gravitional force is acting on stone.

Q: sume that the accel

A: Given values:- Mass of the cart,(m)=54 kg ------(1) The angle of inclination,(θ)=150 ----(2)…

Q: Suppose an object is accelerated by a force of 100 N. Suddenly a second force of 100 N in the…

A: The option (c) is the correct answer.

Q: a constant horizontal force is applied toblock A, which pushes against block B with a 20.0 N force…

A:

Q: Suppose m1 = 4.5 kg and there is no friction between m2 and the ramp. What would the mass m2 have to…

A:

Q: A trash bin of mass 15 kg standing on horizontal ground is pushed by a horizontal force of 50.0 N.…

A: Given: mass=m= 15 kg horizontal force = F = 50 N co efficient of friction = 0.4

Q: A 23-kg suitcase is pulled with constant speed by a handle at anangle of 25° above the horizontal.…

A:

Q: A 2.5 kg object has the following two forces acting on it: F = (16î + 133) N F, = (-9.0î + 203) N

A: Given:     mass, m = 2.5 kg     time, t = 3.9 s     initial velocity, u = 0 m/s    two forces acting…

Q: If an object is not moving, does that mean that there are no forces acting on it? Explain.

A: An object is not moving

Q: Two blocks of masses m1 = 4.5kg and a m2 = 6.5 kg resting on a frictionless surface are connected by…

A: Given: The mass of first block is m1 = 4.5 kg. The mass of second block is m2 = 6.5 kg. The…

Q: A block of mass 40 kg.accelerate with the 3 m/s^2 by the horizontal force F and the coefficient of…

A: We know that the newton's second is given as Fnet= ma where m is the mass. a is the acceleration of…

Q: When a small car pushes a big truck, the truck applies an equal and opposite force on the car. O…

A:

Q: A 51.5-kg swimmer with an initial speed of 1.25 m>s decides tocoast until she comes to rest. If…

A:

Q: Two teams are engaged in a tug-of-war. According to Newton’s third law, the red team pulls on the…

A:

Q: Can forces exist solitary on one object without any interaction with other objects?

A: A force can act on a single object without an interaction between two objects.An example for the…

Q: Thirdy. Consider a block sliding down a rough ramp. Which of the following forces is the reaction…

A: Answer- (D) weight of the block

Q: A 2.5 kg toy car is being pulled by a boy using a string that makes an angle of 20 0 with the…

A:

Q: Two blocks A and B are released from rest on a 30° incline when they are 50 ft apart. The…

A: Given that:- Angle of inclination=30°

Q: A hawk accelerates as it glides in the air. Does the force causing the acceleration come from the…

A:

Q: If a bicyclist of mass 65 kg (including the bicycle) can coastdown a 6.5° hill at a steady speed of…

A: When the bicyclist is moving downhill,

Q: A cleaner pushes a 4.50-kg laundry cart in such a way thatthe net external force on it is 60.0 N.…

A:

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

A:

Q: Suppose that the acceleration of an object is zero.  Does this mean that there are no forces acting…

A:

Q: If both the mass of the body and the force acting on it are doubled, then acceleration--

A: Given  Initial mass m final mass m'=2m Initial Force F Final Force F'=2F

Q: If an object is moving, is it possible for the net force actingon it to be zero? Explain

A: If an object is moving with a constant velocity which means if acceleration is zero of the object,…

Q: Second Law of Newton states that when there is a net force acting on a body, the body would…

A: Given Second Law of Newton states that when there is a net force acting on a body, the body would…

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

A: Given information:Mass of the train (m) = 1.1 × 107 KgForce the locomotive can exert (F) = 7.4 × 105…

Q: Two forces act on an 5 kg object: F1 = 60N applied at the origin in the direction of positive x-…

A:

Q: Soru 6 1900 An object of mass m-0.5 kg is suspended from the ceiling of an accelerating truck as…

A:

Q: In a head-on collision, a car stops in 0.10 s from a speed of 14 m/s. The driver has a mass of 70…

A: A car stops in 0.10 seconds after colliding and the final velocity becomeszero.We can apply Newton's…

Q: Describe a situation in which one system exerts a force on another and, as a consequence,…

A: Newton's third law says for every action there is an equal and opposite reaction .But action and…

Q: friend tells you that since his car is at rest, there are no forces acting on it. How would you…

A: Given:Friend tells you that since his car is at rest, there are no forces acting on it.Now,Explain:I…

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!