A train is moving at a constant speed on a straight track. You are standing in one of the carriages. The train brakes suddenly and you seem to be thrown forwards. Use Newton's first law to explain why.

Q: A crate is pushed across the floor with a force of 522 N. If the crate has a normal force of 758N,…

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Q: A cannon barrel is 1.2 m long. A cannonball (20 kg) is fired horizontally off ofa 10 m tall cliff.…

A: Write the given values with suitable variables. L=1.2 mm=20 kgh=10 md=200 m Here, L denotes the…

Q: Indicate whether the following statements concerning Newton's Law are true or false. (Select T-True…

A: Consider the statement A): From Newton’s second law of motion.

Q: Which of Newton's three laws of motion is best demonstated in the following scenario? (Please use…

A: This is due to Newton's first law of motion or law of inertia. Which states that if a body is at…

Q: Explain Newton's second Law and solve related problems On Earth a rock has a mass of 3.00 grams. Let…

A: Mass of the rock at earth = 3 gm Gravitational acceleration on earth = g Gravitational acceleration…

Q: You have most likely been in an elevator that accelerates upward as it moves toward a higher floor.…

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Q: A projectile fired into frictionless space will need how much force to keep it going? Select one:…

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Q: s a rocket is launched, the net force on it stays constant even though the mass decreases (in the…

A: As a rocket is launched, the net force on it stays constant even though the mass decreases (in the…

Q: . When you stand at rest on a floor, you exert a downward normal force on the floor. Does this force…

A: Required : The correct option

Q: A 0.3 kg coffee cup is sitting on a desk. If the acceleration due to gravity is 9.8 m/s what is the…

A: Given  Mass of coffee cup is m= 0.3 kg Acceleration due to gravity is g= 9.80 m/s2

Q: Tom and Jerry are riding two toy cars connected by a rope. Both are travelling at 16.2 km/h when…

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Q: A skydiver of mass 72 kg has jumped out of a plane 2 km above the surface of the earth. After 20…

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Q: Riders on the Power Tower are launched skyward with an acceleration of 4g, after which they…

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Q: Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that…

A: As ball  left the contact with the racquet  the force exerted by the hit will be zero.  Now the ball…

Q: Newton's second law states that. Choose all that apply.   A. direction of the net force is in the…

A: Newton's second law    F = ma

Q: You are inside an elevator standing on a scale. You do not know anything about the motion of the…

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Q: An empty office chair is at rest on a floor. Consider the following forces: A downward force of…

A: Force of gravity will definitely act on body in downward direction due to its mass, so A downward…

Q: Which of the following is true regarding Newton's First Law of motion? An object will remain at rest…

A: To find: Which statements are true according to Newton's First law of motion?

Q: A 63.4 kg person is standing inside an elevator. The elevator is moving upward at 2.78 m/s and is…

A: The write the expression for the net force, Apply Newton’s second law of motion,

Q: A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given data: Weight of woman in elevator is, W'=0.795×W.              (W is the regular weight of…

Q: 19. What does Newton's first law of motion state? Force equals mass times acceleration. An object…

A: So, let me first state the Newton second law of motion here because three among these options are…

Q: A 74.2 kg person is standing inside an elevator. The elevator is moving upward at 2.98 m/s and is…

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Q: A 58.9 kg person is standing inside an elevator. The elevator is moving upward at 3.68 m/s and is…

A: The given values are.

Q: A man standing on a scale in an elevator notices that the scale reads 40 newtons greater than his…

A: we have to evaluate the movement of the lift

Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given :-  acceleration = 4 m/s2 F = 45 N

Q: When a student steps and a bathroom scale is it an elevator that is at rest the scale with 490 N…

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Q: According to Newton's 1* Law, an object in motion will remain in motion. If an object is moving to…

A: Here is the correct option is (b)  i.e speed up to the right.

Q: Newton's second law of motion states that ------ O a. Acceleration of an object is directly…

A: According to Newton's second law of motionforce(F) can be written as F=mawhere m is the mass of the…

Q: Newton's Law Law. Which of the following scenarios demonstrates Newton's 2nd Law? O A planet exerts…

A: The correct answer is first option.

Q: Which of the following situation applies Newton’s Second Law of Motion? * Pushing a shopping…

A: Pushing a shopping cart is only option correct for Newton's 2nd law.  Because apply force to pushing…

Q: In Newton's Second Law F = ma; if we will double the force applied in the object while keeping the…

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Q: Which of the following observations would be adequately explained by Newton's third law? 1) When…

A: Introduction: Newton third law states that, If any object  exerts a force on nothrer object, then…

Q: A rope is used to pull a 2.89kg bucket of water out of a deep well. What is the acceleration of the…

A: The net force is, T-mg=maa=T-mgma=Tm-ga=30.2 N2.89 kg-9.80 m/s2a=0.65 m/s2

Q: A 1.4 gram bullet is shot into a tree stump. It enters at a velocity of 341 m/sec and comes to rest…

A: To determine,the force on the bullet during impact.given,time to strike the stump(t)=0.00032…

Q: Steven is standing in an elevator that is moving upward, but slowing down as it approaches the 27th…

A: The acceleration caused by the gravitational attraction of large mass bodies is known as…

Q: What does Newton's 2nd Law state? O An object at rest stays at rest. An object in motion stays in…

A: Newton's second law states that net force on a object equals the object's mass multiplied by its…

Q: A ball is hanging from a bracket fixed to the wall of an elevator. The elevator is accelerating in…

A: When any action force is applied on an object, then the object applies same magnitude of force as a…

Q: Which of the following would Newton's first law alone NOT account for?   Question 13 options:   1)…

A: Given:Newtons first law 2)A passenger leans forward in her seat when the car's brakes are…

Q: Which of the following forces must be considered? Choose all that apply. The force that the man's…

A: When a man riding in an elevator, there are two forces acted on the man. The weight of the man acted…

Q: reading of the scale in Newton's

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Q: If the net force acting on a body is zero

A: In the given question, We have to discuss about ,  if the net force acting on a body is zero then…

Q: 1- Calculate the magnitude of the force that gravity exerts on each of the following objects. a) A…

A: (a).  the magnitude of the force that gravity exerts on the car is : F=mgF=1250Kg×9.8msF= 12,250 N…

Q: Newton’s third law states that every object will remain at rest or in uniform motion unless acted…

A: There are three laws of motion known as Newton law of motion. 1st law states that every object will…

Q: person stands on a scale inside an elevator at rest. The scale reads 980 N. The elevator then…

A: reading of scale = normal reaction

Q: Which of the following does NOT demonstrate Newton's first law of motion?   A bicycle moving in a…

A: As per the Newton's first law of motion 'An object continues to be in a state of rest or uniform…

Q: If the net force acting on a stationary object is zero, then the object will a) remain at rest b)…

A: Answer 1 If the net force acting on a stationary object is zero then the object will remain at rest.…

Q: A child pushes a desk with a force of 15 N to the right. The desk accelerates to the right. Which of…

A: Newton's Third law, "For every action, an equal and opposite reaction results"

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!