If a motorcycle moves with a constant velocity, can you conclude that there is no net force acting on it? How about if it’s moving with constant acceleration?

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: The block slides on a frictionless horizontal surface. If the given force F is 20 N and its mass M…

A: Solution: Given that m = 5 kg F = 20 N angle = 30 degree

Q: An 82 kg man drops from rest on a diving board 3.0 m above the surface of the water and comes to…

A: mass of man (m) = 82 kg initial speed of man (u) = 0 m/s Height of diving board above the surface of…

Q: A body at rest or in uniform motion is one that undergoes acceleration is in equilibrium O is acted…

A: Given : A body is in rest or uniform motion .

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: Why must an object at rest have either no force or a minimum of two forces acting on it?

A: Explanation:   1. According to the newton1st law, If the body is in motion it always in motion or…

Q: -1.2m/s?, what is the net force acting on the vehicle?

A: negative acceleration means the speed reduces with time. Hence force will be negative means in…

Q: A 2.00 kg hanging block pulls a 3.00 kg block along a very smooth table. Compute for the…

A:

Q: Does it matter which force we call the action and which force we call the reaction?…

A: According to Newton's third law of motion, Whenever two bodies interact with each other, the force…

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: What is always true about the direction of a retarding force (such as friction or drag) compared to…

A: Given:                 Force is retarding force.

Q: A 60 kg man riding a 15 kg bicycle took 8 seconds to reach a constant speed 4.0 m/s from rest.…

A: Given Data : The mass of the man is given as m = 60Kg. The mass of the bicycle is given as mb =…

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: The net force experienced by an object is decreased. What affect does this have on the acceleration…

A: A net force on an object causes acceleration, which is proportional to the magnitude of the force in…

Q: A block rests on an inclined plane with enough friction to prevent it from sliding down. To start…

A: When the block is at rest on the inclined plane, the component of its weight along down the incline…

Q: A block of mass m = 5.8 kg is pulled up a 0 = 25° incline as in Figure P4.24 with a force of…

A:

Q: What magnitude net force is requred to accelerate to a 1200-kg car uniformly from 0 m/s to 27.0 m/s…

A: The net force required to accelerate a car of mass 1200 kg is calculated using following…

Q: What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road…

A: The velocity of the car,

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 3-kg block is observed to accelerate at a rate twice that of a 6-kg block. Is the net force acting…

A: The expression of the net force on 3kg bock will be,

Q: If a Mack truck and a motorcycle have a head- on collision, upon which vehicle is the impact force…

A: Newton's third law of motion states that to every action there is an equal and opposite reaction.…

Q: What are some differences between the forces acting on a person when they are doing a squat vs a…

A: SQUAT:- Squatting is a popular exercise that targets the muscles in the legs, lower back, and core.…

Q: A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line…

A: (a) When the line is moving at constant speed, the acceleration and hence the net force on the…

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: Can we conclude from the third law of motion that a single force cannot act on a body?

A: Introduction: The language of nature can be understood with the help of nature's law. Physics is the…

Q: orizontal force of 90N was needed to keeps an object weighing 250N sliding at constant speed 30 m/s…

A: Given values:- Horizontal force,(F)=90 N ----(1) Weight of the object,(W)=250 N ----(2) Constant…

Q: Find the acceleration of themasses Find the tension T in thecord.

A:

Q: If there is friction, why do object/motion accelerates and some remain stationary?

A: Defination Friction is always opposes the relative motion of object  Friction always work in the…

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

A:

Q: A fisherman is fishing from a bridge and is using a "32.0-N test line." In other words, the line…

A: Write a given value of this question. F=32.0N

Q: If the mass of the sliding block is somehow tripled at the same time the net force on it is tripled,…

A: Using the Newton’s second law of motion, write the expression for net force of the first case.

Q: A 9 - kg sled sliding freely in the positive direction on an icy surface experiences a 3-N…

A: According to newton's second law of motion, the acceleration(a) of an object is the ratio of the net…

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: A 3kg cat has a balloon tied to it, applying 2N of upward tension force. How much normal force acts…

A: Given data Mass of the cat is: m = 3 kg The tension force on the balloon is: T = 2 N   The…

Q: How do you work out the resultant force of two forces on an object?

A: Consider two forces P and Q acts on an object as shown below: Forces P→ and Q→  are acting on an…

Q: You’re exploring a cave. Standing in a low cavern, you steady yourself by pushing straight up on the…

A: When we stand  in a low cavern exploring a cave and steady ourselves by pushing straight up on the…

Q: If the mass of a sliding block is tripled while a constant net force is applied, its acceleration…

A: Given data:  New mass (m1) = 3m Constant net force = Fnet  Required: New acceleration

Q: Shown below is a 10.0-kg block being pushed by a horizontal force F → of magnitude 200.0 N. The…

A: Along the incline net force is Fnet=Fcosθ-mgsinθ-f Here F is applied force, m is the mass of the…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: