A 100 kg box it sitting on the ground on Earth; draw the box and all the force vectors (to a scale) and label them; the tail of each force should start on the object it is acting on; indicate which forces are action-reaction pairs using Newton’s 3rd Law:

Q: A flea jumps by exerting a force of 1.20×10−5 Nstraight down on the ground. A breeze blowing on 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: An 85-kg wind sailor is on a 100-kg sailboat sailing on the red sea. If the acceleration of the boat…

A: Given Data  The mass of the sailor is m1 = 85 kg  The mass of the sailboat is m2 = 100 kg  The…

Q: A swimmer pushes water backward with a force of 40N. Water pushes the swimmer with a force Select…

A: Given : Force by which a swimmer pushes water backward (Fsw) = 40 N

Q: Calculate the acceleration of a 2-kg block on a horizontal tuition-free air table when you exert a…

A: Given:Mass of the block = 2 kgExerting force = 20 NFrictional force = 4 N

Q: What is the net force that acts on a 10-N freely falling object?

A: Given, Weight of object = 10 N Here, object is falling freely. So, it is acted upon by force of…

Q: Two Blocks A and B, the mass of A is 10kg and the mass of B is 11kg, if the same force acting on the…

A: This question can only be solved by the elimination method since we cannot obtain more than 1…

Q: Your friend sits at rest on a chair. Can you say that no force acts on her? Or is it correct to say…

A: A system, object, or body attains equilibrium condition that is comes to rest or remain in rest, if…

Q: Calculate the acceleration produced by a force of 200 N exerted on an object of mass 20 kg.

A: Given data,      Mass   =   m      Force   =   F       Required,         Acceleration

Q: A boy throws a steel ball straight up. Consider the motion of the ball only after it has left the…

A: When a boy throws a ball upward direction there will be a gravitational force act on the ball with…

Q: A car is moving at 17 m/s crashes into a tree and stops in 0.95 s. The mass of the passenger inside…

A: Answer:-  Given  Mass of the passanger (m) = 66 kg  Initial velocity of a car (u) = 17 m/s  Final…

Q: Calculate the force needed to provide an initial upward acceleration of 40m/s² to a 0.4-kg rocket.

A: Given data: Mass (m) = 0.4 kg Acceleration (a) = 40 m/s2, upward Required: The force (F)

Q: A group of campers in a 215 kg raft paddle down a river with 60 N of force. The current provides 35…

A: We'll use Newton's 2nd law here

Q: an astronaut on the moon lifts a rock over his head and than drops it. Discuss what force acts on…

A:

Q: A boat moves through the water with two forces acting on i. One is a 2.00 × 10°-N forward push by…

A:

Q: A 400-kg bear grasping a vertical tree slides down at constant velocity. What is the friction force…

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Q: When landing after a spectacular somersault, a 30.0 kg gymnast decelerates by pushing straight down…

A: Formula of force is as follows: F=ma…

Q: A crate of mass 50 kg slides on a horizontal floor under the action of an applied horizontal force…

A: Mass of crate: m = 50 kg Horizontal force: F = 200 N Frictional force: f = 120 N

Q: An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it.  What…

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Q: A 5.0-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket…

A: Given:- m = 5 kg a = 3 m/s2

Q: (True or False) Net force and acceleration are always in the same direction.

A:

Q: How will increasing the mass traveling in the horizontal direction affect the amount of force needed…

A: When the mass of a travelling object is consistently increased: From Newton's Second Law of motion,…

Q: A block of ice is sliding across a frozen pond at a constant velocity.  Use Newton’s 1st Law to…

A: Let us consider a block of ice is sliding across a frozen pond at a constant velocity ,(v) in m/sec…

Q: A rocket takes off from Earth’s surface, accelerating straightup at 72.0 m/s2. Calculate the normal…

A: Given,Acceleration in y direction, a = 72.0 m/s2Mass of the astronaut m=85.0kg

Q: From Newton's 3rd Law of Motion, we say that, "For every action, there is an equal and opposite…

A: To find the answer.

Q: A block of mass m,- 13.4 kg is on a frictionless table to the left of a second block of mass m,-…

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Q: A 0.3 kg baseball changes its velocity from rest to 50 m/s in 0.1s.  Calculate the net force applied…

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Q: What is the Net force on a bathroom scale when a 170 lbs person stands on it? Explain fully by using…

A: Given data: Mass of the person = 170 lbs Newton's third law: It states that " Every action have…

Q: Find the x-component of the weight  to calculate for the tension force. Using a rope, a 20N object…

A: Weight (w) = mg = 20 N θ = 29 degree

Q: If you step off a high board and drop to the water below, youplunge into the water without injury.…

A:

Q: A dockworker loading crates on a ship finds that a 20.0-kgcrate, initially at rest on a horizontal…

A: Let the mass of the crate be denoted by m. Let the coefficient of static friction be denoted by μs…

Q: A 75 kg person rides an elevator accelerating downward at 2.5 meters/seconds squared.  Find the…

A:

Q: Determine the net force and acceleration.

A: Mass of the box = M = 100 kg Angle of the inclination = Coefficient of friction = The free body…

Q: A car moving at 14 m/s crashes into a tree and stops in 0.91 s. The mass of the passenger inside is…

A: Given data:  Initial velocity of car (Vi) = 14 m/s Final velocity of car (Vf) = 0 m/s Mass of…

Q: A rider is thrown off a horse and hits the ground. Fortunately, she is wearing a helmet. With…

A: All mechanical (including the accident mentioned in this problem) event obeys the laws of Physics.…

Q: Distinguish between concurrent forces and coplanar forces.

A: When all forces are acting in the same plane, they are called coplanar whereas when forces act at…

Q: Calculate the average force that must be exerted on a 0.145 kg baseball in order to give it an…

A: Given : m = 0.145 kg  a = 130 m/s2

Q: A woman pushes her sled across even snow surface to get it going, then jumps in. The sled then…

A: The correct option as per the above condition that is provided in form of statement in the question…

Q: When an object pushes water, the water pushes back with as much force as it can. (True or False)

A: This statement is False. Because, when the density of the object is smaller as compared to the…

Q: If you’re in a car at rest that gets hit from behind, you can suffer a serious neck injury called…

A: According to Newton’s first law, the body of the person is at rest, when a car hits another car from…

Q: À women on train while watching the display on her GPS unit. She noticed that both the “speed “ and…

A: The speed and direction readings on the GPS unit is not changing for a women watching the display of…

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!