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Forces and Motion
Page 2
Questions (4,623)
A figure shows a uniform metre rule which is pivoted at the 20cm mark and balanced horizontally by an object of weight 3.15N
4 answers
asked by
Blessings
1,911 views
A cricket ball of mass 0.4 kg moving with a velocity of 72 km/h is brought to rest by a player. Find the magnitude of the
3 answers
asked by
nidhi
1,138 views
A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal
1. Horizontal component of weight
3 answers
asked by
Alyssa
826 views
A small aircraft, on a heading of 225 degrees, is cruising at 150 km/h. It is encountering a wind blowing from a bearing of 315
4 answers
asked by
A
1,475 views
Three forces act on the object.A 3- N force acts due west, and 4-N force acts due south.If the net force on the object is zero
2 answers
asked by
rally
1,225 views
Two bodies of weights 50N and 10N are connected to the two ends of a light inextensible string which passes over a smooth
1 answer
asked anonymously
47 views
A big luxury car weighing 1.96 x 104 N (about 4400 lb), travelling in the x
direction makes a fast stop; the x component of the
4 answers
asked by
Anonymous
2,920 views
3. A force of 36 N gives a mass m1 an acceleration of 4.0 m/s2. The same force gives a mass m2 an acceleration of 12 m/s2. What
5 answers
asked by
Jen
3,601 views
"If a skier coasts down a slope at an angle of 24 degrees below the horizontal, what is her acceleration if the force of
5 answers
asked by
solexgirl12
2,384 views
Which situations contain unbalanced forces? Check all that apply.
A book rests on a table. A book falls to the floor. A car skids
2 answers
asked by
*Pixel*
92 views
A tennis ball traveling at 25 m/s has a mass of 58.5 g and bounces off a wall with a speed of 22.5 m/s. The impact took 3.33 ms.
4 answers
asked by
Anonymous
2,033 views
A pilot wants to fly to the North with a ground speed of 120 m/s, so he flies with an airspeed of 120 m/s. Unfortunately, he
4 answers
asked by
Soma
108 views
A ship is sailing due east at 18 knots runs into a 3 knot current moving 40 East of North.
The resultant speed an direction of
5 answers
asked by
k
2,794 views
A steel block weighing 12N is pulled up an incline plane 20° above the horizontal by a constant force of 7.35 N which makes an
7 answers
asked by
John
3,731 views
Which statement best explains why a paper airplane eventually falls to the ground?(1 point)
Responses 1.The unbalanced forces of
5 answers
asked by
iammmmasecretttt
915 views
When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens?
A: An
3 answers
asked by
:)
392 views
A truck carries newspapers. When it is half full of newspapers the truck has a mass of 1762kg. When it is a quarter full the
5 answers
asked by
Brendon
721 views
Suppose that a person with a reach of 27 inches and a shoulder height of 5 feet is standing upright on a mountainside that makes
6 answers
asked by
Rene
2,230 views
A ruler is initially at rest when a student briefly exerts a downward force on the right end. The magnitude of the force exerted
5 answers
asked by
Lysander
5,751 views
A 70kg man jumps 1.00 meters down onto a concrete walkway. His downward motion stops in 0.02 seconds. If he forgets to bend his
5 answers
asked by
Omari
7,179 views
A car is driven at a constant speed of 21 m/s (76km/h) down a road. The car's engine delivers 52 kW of power. Calculate the
5 answers
asked by
Einstein
5,743 views
A car drives up a straight hill at a constant
speed of 60 kilometers per hour. A truck drives over the crest of the hill at a
5 answers
asked by
Mathew
3,979 views
it takes 100 N to pull and object up an inclined plane. the gravitional force on the object is 600 N
what is the load force in
4 answers
asked by
mdm
2,365 views
A packing crate of weight 50N is placed on a plane inclined at 35°from the horizontal. If the coefficient of static friction
7 answers
asked by
Siyam
1,051 views
A solid of mass 1.3kg suspended by a string,is completely immersed in water. If tension in the string is 6.0. Find the upthrust
6 answers
asked by
Anonymous
1,376 views
The gravitational force of attraction between two students sitting at their desks in physics class is 2.34 ✕ 10^-8 N. If one
7 answers
asked by
Ana
5,617 views
A crate sits on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate
4 answers
asked by
emily
3,217 views
a 215-N box is placed on an inclined plane that makes a 35.0 degree angle with the horizontel. Find the component of the weight
5 answers
asked by
Kindell
3,598 views
A 0.500 kg object is thrown vertically upward with an average applied force of 8.20 N by a student. The force is applied through
4 answers
asked by
Jeff
2,360 views
A net force of 25N is applied for 5.7s to a 12-kg box initially at rest. Waht is the speed of the box at the end of the 5.7s
6 answers
asked by
Natasha
8,914 views
Question 11 Unsaved
A car of mass 1200 kg travels along a horizontal road at a speed of 10 m s-1. At the time it begins to
4 answers
asked by
gared
2,836 views
10. A 3 kg block moves up a 40° incline with constant speed under the action of a 26N force acting up and parallel to the
5 answers
asked by
Anonymous
2,689 views
A force of 40N stretches a wire through 3cm,what force will stretch it through 5cm and through what length will a force of 100N
14 answers
asked by
Pearl
3,600 views
Each of the four wheels of a car push on the road with a force of 4.0*10^3 N [down]. The driving force on the car is 8.0*10^3 N
4 answers
asked by
Maggie
1,743 views
A 70.0 kg skydiver falls towards the earth. If the force due to air resistance is 500 N, what is the acceleration of the
5 answers
asked by
Apple Annie
3,562 views
An inclined plane rises to a height of 2m over a distance of 6m .calculate:
A.the Angle of the slope B.the VR(and so IMA) of the
14 answers
asked by
abubakir
4,872 views
A ladder (ℓL = 7.50 m) of weight WL = 350 N leans against a smooth vertical wall. The term "smooth" means that the wall can
4 answers
asked by
Lola
3,478 views
3 Fig. 3.1 shows the arm of a crane when it is lifting a heavy box.
Fig. 3.1 (a) By the use of a scale diagram (not calculation)
4 answers
asked by
rida
2,984 views
Which of the following events is caused by magnetic force?
A) A person gets a shock from a doorknob after walking across carpet.
5 answers
asked by
I Need Help!
1,723 views
when a horizontal force of 300N is applied to 75kg crate, it slides on a level floor opposed by a force of friction equal to
4 answers
asked by
Chelsea
1,035 views
A car of mass 500kg is travelling along a flat road. The forward force provided between the car types and the road is 300N and
4 answers
asked by
Sundus
646 views
The following image shows a man running with a training parachute. The man is pushing himself forward with a force of 30
4 answers
asked by
oof
165 views
You are flying in a light airplane spotting traffic for a radio station. Your flight carries you due east above a highway.
4 answers
asked by
Anonymous
1,010 views
A 76 kg man starts from rest at the top of a 12.0-m long water slide that is inclined 65° with the horizontal. In sliding down,
4 answers
asked by
Stefan
200 views
A 600-pound boat sits on a ramp inclined at 30 degrees as shown in the attached image. What force is required to keep the boat
3 answers
asked by
Eoin
2,860 views
3 forces each equal to P act on a body, one at (a,0,0) parallel to OY. The second at the point (0,b,0) parallel to OZ and the
4 answers
asked by
Ashley
1,192 views
Linc, the 65kg lifeguard, slides down a water slide that is inclined at an angle of 35 degrees to the horizontal, into the
3 answers
asked by
Ben
929 views
This question came up on my review package tonight, and it has me stumped.
"A box of mass 14.5kg slides at a constant speed of
4 answers
asked by
solexgirl12
588 views
Two forces F1and F2 on a particle. F1 has magnitude 5N and in direction 030°,and F2 has magnitude 8N and in direction
3 answers
asked by
Beatrice
408 views
I. Inertia is the property of matter that prevents it from moving.
II. Inertia is the property of matter that keeps it moving
2 answers
asked anonymously
121 views
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