Need answers A weightlifter raises a barbell with an acceleration of 2 m/s². If the netforce exerted on the barbell is 316 N. what is its mass?0.006 kg5.А.B. 158 kgC. 314 kgD. 632 kgs prohibited by law. Lesson 9: ForcesLESSON REVIEW1.If F equals force and m equals mass, which of the following expressionscould be used to calculate an object's acceleration?A. F÷mВ.m÷FC. FX mD. F+m

ques: given: a=2 m/s2Fnet=316 N

A weightlifter raises a barbell with an acceleration of 2 m/s². If the ne A weightlifter raises a barbell wirh an acceleration of 2 m/s. If the ne force exerted on the barbell is 316 N, what is its mass: A. 0.006 kg В. 158 kg C. 314 kg

A weightlifter raises a barbell with an acceleration of 2 m/s². If the ne A weightlifter raises a barbell wirh an acceleration of 2 m/s. If the ne force exerted on the barbell is 316 N, what is its mass: A. 0.006 kg В. 158 kg C. 314 kg

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 1PE: A 63.0-kg sprinter starts a race with an acceleration of 4.20m/s2. What is the net external force on...

See similar textbooks

Related questions

Q: (a) What is the weight of a 4.03 kg backpack? (b) What is the acceleration of the backpack if a net…

A: Given, Mass of backpack, m=4.03 kg Force applied,F=10 N

Q: 6. An 50.0 kg student rides up the LASS elevator with a recycling bin. If the elevator is moving at…

A: The mass of the student is 50 kg, riding in an elevator moving at a constant speed of 4 m/s. The…

Q: A 12 kg box is pulled along level ground at constant velocity by a horizontal force of 55.0 n. what…

Q: The mass of a mining cart is 40 kg. It is moving with a constant acceleration of 10 m/s/s. What is…

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.4 m/s2. If the river is…

Q: After applying a force of 1000 N an object of mass 2000 kg will achieve what acceleration?

A: According to Newton's 2nd Law: F = ma ...... (1) (…

Q: How long does it take a 250 N force to increase to speed of a 100 kg rocket from 10 m/s to 200 m/s?…

A: Given data: Force (F) = 250 N Initial velocity (v0) = 10 m/s Final velocity (v) = 200 m/s Mass (m) =…

Q: Two forces, (71.0N in the positive x direction and 33 N in the negative y direction) act on a 156.0…

A: The object's mass is, m=156 kg The applied in the x-direction is, Fx=71 N The applied in the…

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.51 m/s2. If the river is…

A: Initial velocity = 0 msAcceleration (a) = 1.51 ms2Force (F) = 0.79 N

Q: A force of 2.50 N is exerted on a 6.90 g rifle bullet. what is the bullet's acceleration?

Q: As part of a physics experiment, you stand on a bathroom scale in an elevator. even thougi 704 N,…

A: Given:- The actual weight W = 704 N The scale read the weight is 894 N When the elevator…

Q: While skydiving, Dee Seperate opens her parachute and her 53.4-kg body immediately accelerates…

Q: A pitcher throws a baseball with a 3.0 N [forward] force and it accelerates by 21 m/s^2, What is the…

A: Given data: Force (F) = 3.0 N Acceleration (a) = 21 m/s2 Required: Mass (m)

Q: A force of 1O N produces an acceleration of 5 m/s^ in mass m1 and 20 m/s^2 in mass m2. What will be…

A: Given data: Force (F) = 10 N Acceleration of mass m1 (a1) = 5 m/s2 Acceleration of mass m2 (a2) =…

Q: What force does a trampoline have to apply to a 45.0-kggymnast to accelerate her straight up at 7.50…

A: Using Newton’s second law and the net forces acting in the vertical direction,

Q: Andrea, a 63.0-kg sprinter, starts a race with an acceleration of 4.200 m/s2 . What is the net…

Q: A 70.00 kg jumper leaves the ground with a vertical velocity of 5 m/s. d.) How high did he jump?

A: Given that mass of the jumper and vertical velocity of the jumper then we have to determine the how…

Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…

A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2

Q: what is the normal force on a 20 kg boy inside an elevator (1enn) that is accelerating upward at 2…

Q: A parachutist has a mass of 70 kg. His parachute has a mass of 10 kg Wht d 0 wd 0. t y a) What is…

Q: You push on a block on frictionless ice with a force of 7N, causing it to accelerate at 1m/s2 what…

Q: A bag of sugar weighs 5.00 lb on Earth. What would it weigh innewtons on the Moon, where the…

Q: A skier is accelerating at a rate of 4.00 m/s². If the net force is doubled and the mass is tripled,…

Q: The acceleration of gravity on the moon is approximately one-sixth the value on earth's surface. If…

A: Given: weight on moon, Wm = 60 N gravity on moon = 1/6 on gravity on earth.

Q: A net forceF acting on a mass m produces an acceleration a. What would the acceleration be if a net…

A: Given: The appleid force is F. The acceleration of the object is a. The mass of the object is m.

Q: Determine the acceleration (in m/s/s) of a 7.2-kg object that experiences a net force of 35.6 N

A: Mass, m = 7.2 kg Net force, F = 35.6 N

Q: How much would a 70 kg man weigh on the moon ? What would be his mass on e earth and on the moon ?…

A: Given data : Mass of the man on moon = m Acceleration due to gravity =…

Q: A 63.0-kg sprinter starts a race with an acceleration of4.20 m/s2. What is the net external force on…

A: Mass of the sprinter m=63 kg The acceleration of the sprinter a=4.20 m/s

Q: A force of 35.0 N is applied in the positive x-direction to a block of mass 8.50 kg, at rest on a…

Q: A stone w/ mass 40 kg SHS at bottom of bucket. A String of length .om is attached to bucket and the…

A: Given Mass of stone m = 40 kg Length of string l = 1m speed of stone v = 4.5 m/s

Q: Vith a lass ol kg is bein9 speed by a rope held at a 20° angle from the A friction force of 320 N…

A: According to Newton's second law F=ma

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

A: (a) apparent weight, W'=m(g+a) that is, W'=60 kg(g+4g)W'=60 kg(5g)W'=60 kg(5)(9.8 m/s2)W'=2940 N

Q: In a tug of war with a toy between Joe and Fred, Joe pulls the toy with a force equal to 25N. Fred…

A: In tug of war with a toy joe and Fred are applied force in opposite in direction let joe pulls the…

Q: When venturing forth on Planet X, you throw a 5.60 kg rock upward at 14.2 m/s and find that it…

A: Given Mass of the rock = 5.60 Kg Initial velocity = 14.2 m/s Time taken to return to same level…

Q: Sports Car on Hill F, normal = 7828 N Ffriction = 1566 N mass = 850 kg = -2849 N gx = -1200 N…

A: The expression for the net force in the x direction can be calculated as Fnet=Fapplied+Fgx-Ffriction…

Q: What horizontal force is required to pull a 6 kg sledge with a 4 m/s2 acceleration when a friction…

A: Given,mass of sledge(m)=6kgacceleration of sledge(a)=4m/s2friction force(f)=20Nwe know that F=ma+f

Q: 4. A force of 25 newtons east and a force of25 newtons west act concurrently on a 5-kilogram cart.…

Q: A small fireworks rocket has a mass of 500g (=??kg). When fired, it produces a thrust force of 25N…

A: Given Data : The mass of the fire-work is given as m = 500g. The thrust produced by the firework is…

Q: The rotors of a 15,200-kg heavy-lift helicopter exert a downward force of 322,000 N in order to…

A: Let the mass of the cargo be 'm' The acceleration(a) given = 0.5 m/s2 let acceleration due to…

Q: Calculate the force T that will lift the 50-kg crate at the speed v = 4t m/s, where t is the time in…

Q: Mass of a body is 20 kg, What is it's weight ? (Given g = 10 m/s²)

A: Introduction : In this question we are provided it value of acceleration due to gravity and mass .…

Q: Chag 5 I Beno with mass of 8o ky Pushed along tlat ground. AMe-0,2 Men. | hano 38A knA, what does…

A: Given Mass m = 80 kg μk = 0.2

Q: our shopping cart has a art down an aisle at 0.34 m/s2, what force (in newtons, N) would you need to…

Q: e Copy st to 35m/s in 5.3 seconds. The car exerts a 3. A sports car acce force of 4123N. What is the…

Q: 5. A small fireworks rocket has a mass of 500g (=??kg). When fired, it produces a thrust force of…

Q: What's the acceleration if you push with a 20N horizontal force on a 3kg block on a horizontal table…

A: Given data: Force applied (F) = 20 N Mass (m) = 3 kg Frictional force (f) = 4 N Required:…

Question

Need answers

A weightlifter raises a barbell with an acceleration of 2 m/s². If the net
force exerted on the barbell is 316 N. what is its mass?
0.006 kg
5.
А.
B. 158 kg
C. 314 kg
D. 632 kg
s prohibited by law.

Lesson 9: Forces
LESSON REVIEW
1.
If F equals force and m equals mass, which of the following expressions
could be used to calculate an object's acceleration?
A. F÷m
В.
m÷F
C. FX m
D. F+m

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

. As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 s. Its mass is 0.145 kg. (a) What is the baseball’s acceleration in m/s and in Ws? (b) What is the size of the force acting on it?
. A person stands on a scale inside an elevator at rest (Figure 2.54). The scale reads 800 N. (a) What is the person's mass? (b) The elevator accelerates upward momentarily at the rate of 2 m/s2. What does the scale read then? (c) The elevator then moves with a steady speed of 5 m/s. What does the scale read now?
. Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net force would have to act on someone with mass of 50 kg to cause this acceleration? (b) Find the weight of such a person in pounds then convert the answer to (a) to pounds.
A motorcycle and rider have a total mass equal to 300 kg. The rider applies the brakes, causing the motorcycle to accelerate at a rate of 5 m/s2. What is the net force on the motorcycle?
Suppose au airline allows a maximum of 30 kg for each suitcase a passenger brings along. (a) What is the weight in newtons of a 30-kg t1ikasr? (b) What is the weight in pounds?
(a) If the rocket sled shown in Figure 4.32 starts with only one rocket burning, what is the magnitude of its acceleration? Assume that the mass of the system is 2100 kg, the thrust T is 2.4104 N, and the force of friction opposing the motion is known to be 650 N. (b) Why is the acceleration not one-fourth of what it is with all rockets burning?
Suppose a 60.0-kg gymnast climbs a rope. (a) What is the tension in the rope if he climbs at a constant speed? (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2?
The force on a baseball as with a bat can be more than 8,000 lb. No human can push on a bat with that much force. What is happening in this instance?
Two forces are applied to a car in an effort to move it, as shown in Figure P4.12. (a) What is the resultant vector of these two forces? (b) If the car has a mass of 3 000 kg, what acceleration does it have? Ignore friction. Figure P4.12
A 6.0-kg object undergoes an acceleration of 2.0 m/s2. (a) What is the magnitude of the resultant force acting on it? (b) If this same force is applied to a 4.0-kg object, what acceleration is produced?
A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg?
A 63.0-kg sprinter starts a race with an acceleration of 4.20m/s2. What is the net external force on him?