The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. Why then doesn’t the heavier rock fall faster ?

Q: Find the acceleration of the body of mass 5.0 kg shown below.

A: Let m be the mass of the body. The net force F on the body can be determined as follows.

Q: Why do you lurch forward in a bus that suddenly slows? Why do you lurch backward when it picks up…

A: We lurch forward in a bus that suddenly slows, as at the instant the bus slows, body still keeps…

Q: Why can it hurt your foot more to kick a big rock than a small pebble? Must the big rock hurt more?…

A:

Q: The equilibrium rule, Σ F = 0, which means “the sum of all the forces is equal to zero”, applies to…

A: The equilibrium rule, Σ F = 0, it state that the sum of all the forces is equal to zero or we can…

Q: A man pushes on a brick wall. With what amount of force does the wall push back on the man? a…

A: 1) a man pushes on a brick wall Let the force exerted by the man on the brick wall = F

Q: How does a helicopter get its lifting force?

A: The helicopter gets the lifting force by pushing the air downwards and it gets the thrust from the…

Q: What happens to the weight reading on a scale you stand on when you toss a heavy object upward?

A:

Q: Do heavier objects fall more slowly than lighter objects? EXplain.

A: No, the heavier object does not fall more slowly than lighter objects. The heavier and lighter…

Q: How can the inertias of objects be compared?

A: Given : To explain how to compare inertia of objects.

Q: In synchronized diving, divers remain in the air for the same time. With no air drag, they would…

A: In an appreciable air drag, the divers, in synchronized diving remain together in a fall. The divers…

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: When flying a paper airplane, what is causing the thrust?

A: Thrust is another name given to a force responsible for the motion of airplanes and rockets. In…

Q: A girl has a mass of 55 kg. Using g = 9.8 Nkg-, calculate her weight. КА) 5.6 N (В) 45.2 N (C) 64.8…

A: m= 55kg g= 9.8 N/kg weight= W

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

A: Using newton's law force is given by,                          F = ma then, acceleration is,…

Q: Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so,…

A: According to newton any object of mass (say “m”) in the universe is attracted by any other body in…

Q: Astronauts inside spaceship feel ___ weight. A) More B) Less C) Zero D) Depends on G force

A: If a astronaut is orbiting in a satellite, the astronaut and the satellite both are attracted…

Q: . Since a bucket of water is “weightless” in space, would it hurt tokick the bucket? Explain.

A: A bucket in space

Q: Why does a bungee jumper feel weightless during the jump?

A: A bungee jumper feels weightlessness when he jumps the platform. When the jumper is standing on the…

Q: As you increase your push, will friction on an object also increaes?

A: The force of friction is defined as the force that opposes the motion of an object. It is a force…

Q: Do heavier objects fall more slowly than lighter objects ? Why??

A: No, both lighter and heavier objects fall with the same speed.

Q: 5) H = 0.4. Find the acceleration of the masses. ( ? ) 7 kg 1 kg 30°

A:

Q: When I play tug-o-war with my 47 kg dog, I can "win" with a 380N pull at a 25° upward tilt - he…

A: mass of dog (m) = 47 kg applied force (F) = 380 N @25o upwards

Q: the force exerted by gravity on 70 kg = N. О 10 68 686

A: A force exerted by gravity is calculated by the formula:   F = mg   Here m is the mass of object and…

Q: Which has greater inertia.... 5 kilograms of cotton or 5 kilograms of rock?  Explain.

A: Explanation: The inertia of a body is defined as the resistance offered by the body against the…

Q: How does the mass of an object affect its acceleration?

A:

Q: How much distance does it take to stop a car going 30 m/s (67 mph) if the brakes can apply a force…

A:

Q: The force exerted by gravity on a whole brick is greater than theforce exerted by gravity on half a…

A: Full and half brick

Q: In law of acceleration, if the mass increases, then the acceleration increases.  TRUE or FALSE

A:

Q: Which combinations of forces results in the car moving at a constant speed?

A:

Q: 66. A 0.4 kg volley ball is thrown up the air. Which of the following best shows the force/s acting…

A: We know that. when the ball is in air, there are 2 forces acting on it. 1. The weight force of the…

Q: Why does a heavy parachutist fall faster than a lighter parachutist who wears a parachute of the…

A:

Q: Why Does A Horse Pull Its Cart Harder During The First Few Steps Of Its Motion?

A: A horse has to pull the cart harder during the first few steps of his motion because the horse has…

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 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: Your empty hand is not hurt when it bangs lightly against a wall. Why does it hurt if you are…

A: From newton's 2nd law we have,

Q: The mass of an object is O egal to its weight in deep pace Ovonfetimes egil to its wght Onever eqal…

A: Mass of object is defined as the quantity of matter of a physical body

Q: How does a helicopter gets its lifting force?

A: the helicopter gets the lift by pushing the air downwards and it gets the thrust from the reaction…

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!