A person is skiing in a horizontal snow surface with a net acceleration of 0.2 meters per second per second. If his weight is 72 kg and his coefficient of dynamic friction is 0.05, determine his normal force.

Q: A car is traveling at 41.0 km/h on a flat highway. (a) If the coefficient of friction between road…

A:

Q: A student of mass 57.4 kg, starting at rest, slides down a slide 17.2 m long, tilted at an angle of…

A: Calculating the force of kinetic friction:

Q: A woman exerts a horizontal force of 115 N on a crate with a mass of 32.2 kg.   (a) If the crate…

A:

Q: A person pushes horizontally with a force of 160 N on a 55.0 kg crate to move it across a level…

A:

Q: A crate rests on the flatbed of a truck that is initially traveling at 15 m/s on a level road. The…

A:

Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 12.3 m/s. Five seconds…

A:

Q: An object of mass m = 3 kg is on a horizontal plane. The static and kinetic coefficients of friction…

A: According to Newton's second law of motion , the net acceleration of an object is calculated as the…

Q: A woman exerts a horizontal force of 109 N on a crate with a mass of 38.7 kg.   (a) If the crate…

A: Here, the free body diagram shows the horizontal force as FH  and  fs is the static friction, N is…

Q: A student of mass 63.4 kg, starting at rest, slides down a slide 20.2 m long, tilted at an angle of…

A: Given: A student of mass 63.4 kg, starting at rest, slides down a slide 20.2 m long, tilted at an…

Q: A hockey puck is sliding across a level frozen pond with an initial speed of 7.9 m/s. Friction is…

A:

Q: A student of mass 63.4 kg, starting at rest, slides down a slide 23.2 find the force of kinetic…

A:

Q: A student of mass 63.4 kg, starting at rest, slides down a slide 22.2 m long, tilted at an angle of…

A:

Q: A 68 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 13°…

A: A crate of mass m=68 kg, is dragged across a floor by pulling on a rope attached to the crate and…

Q: A man has to push his boat on the shore across the mud to get to the water. The coefficient of…

A: The force of friction is given by  F = μ N where, N is the normal reaction and μ is the coefficient…

Q: A block of mass m1 = 3.9 kg is placed on top of a block with mass m2 = 5.4 kg. A force, F = is…

A:

Q: A student of mass 55.4 kg, starting at rest, slides down a slide 23.2 m long, tilted at an angle of…

A:

Q: A student of mass 55.4 kg, starting at rest, slides down a slide 20.2 m long, tilted at an angle of…

A:

Q: A block with a mass of 4.83 kg is at rest on an inclined surface. The surface makes an angle of…

A:

Q: the coefficient of static friction between block A and a horizontal floor is 0.320, and the…

A: Given that the coefficient of static friction between block a and a horizontal floor and the…

Q: Consider a wooden ramp angled 49.6 degrees above horizontal. If a 22.4-kg wooden block is given a…

A:

Q: An object of mass 50kg is pushed in the +x direction with a force of 40N flat along a horizontal…

A:

Q: A 4.8 kg suitcase is sliding across a horizontal floor of an elevator. The coefficient of kinetic…

A: Given: mass of suitcase m = 4.8 kgcoeff of kinetic friction μk=0.28

Q: A person pushes horizontally with a force of 200. N on a 56.0 kg crate to move it across a level…

A:

Q: A hockey puck is sliding across a level frozen pond with an initial speed of 8.5 m/s. Friction is…

A: Let mass of hockey puck is mFriction coefficient between puck and ice = u   initial speed of puck u=…

Q: A student of mass 61.4 kg, starting at rest, slides down a slide 22.2 m long, tilted at an angle of…

A:

Q: A person pushes horizontally with a force of 220 N on a 55 kg crate to move it across a level floor.…

A: The magnitude of the frictional force is,

Q: A 3.5 kg block is pushed along a horizontal floor by a force F of magnitude 15 N at an angle q = 40…

A: The free-body diagram is

Q: A 100 kg block is at rest on a flat floor with a coefficient of static friction 0.62. A horizontal…

A: Given data:  Mass (m) = 100 kg Coefficient of static friction = 0.62  Applied force (F) = 3.7 N The…

Q: The crate, which has a mass of 100 kg, is subjected to the action of the forces. If it is originally…

A:

Q: Consider a wooden ramp angled 31.7 degrees above horizontal. If a 20.3-kg wooden block is given a…

A: According to Newton second law  F= ma

Q: A block is placed on the midpoint of a ramp that is inclined at an angle of 39.8º from the…

A: The net force acting on the block is, According to the newton’s second law of motion,

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?”