In the figure, the combined mass of the monkey, bananas, and platform is m. To keep the platform still, the monkey has to pull the rope with which force?       (a) mg       (b) mg/2           (c) mg/4         (d) 2mg

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: A person jumps then leaves the floor with a velocity of 1.20 m/s upward. If the person is in contact…

A: Force can be defined as the rate of change of momentum.

Q: A mass of m₂ = 50 kg is a fixed distance dw = 6 m to the west and a distance dy = 11 m to the north…

A:

Q: A force of magnitude 11.6N pushes a block of mass 2m which in turn pushes a block of mass m. The…

A:

Q: On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.20-kg basket of…

A:

Q: One end of a 40-m rope is tied to a tree; the other end is tied to a car stuck in the mud. The…

A: Given data: Length of the rope l = 40 m Force F = 90 N Distance d = 5 m

Q: A lift, with a mass of 250 kg, is initially at rest on the ground floor of a tall building.…

A:

Q: On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.20-kg basket of…

A: Mass of basket: m = 1.20 kg Force applied by wolf: FW = 6.40 N Angle between wolf force and…

Q: A car traveling at 53 km/h hits a bridge abutment. A passenger in the car moves forward a distance…

A: v2=u2+2ad0 m/s2=53 km/hr0.278 m/s1km/hr 2+2a0.65 ma=-167 m/s2

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 10 N. The cart has a mass…

A: Given: Force  by cart, F1=10 N Mass of cart, M=30 kg Time taken, t=3 s Force by child, F2=30 N…

Q: Ann and Bob are carrying an 18.5 kg table that is 2.25 m long. An 8.33 kg box sits on the table…

A:

Q: The 100 kg block in the figure takes 5.6 s to reach the floor after being released from rest.(Figure…

A: Known mass, Time taken by the 100kg block to reach the floor, Distance covered by the 100kg block…

Q: A lift, with a mass of 250 kg, is initially at rest on the ground floor of a tall building.…

A: mass of lift (M)= 250 kg mass of passengers = m upward acceleration = 1.6 m/s2upward force on cable…

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: A gymnast with mass mG = 50.0 kg suspends herself from the lowerend of a hanging rope of negligible…

A: Gymnast with mass, Mg=50.0 Kg The upper end of the rope is fixed and the gymnast hangs from the…

Q: a bridge across a small stream is made by supporting a 10m long log with a mass of 75kg with ropes…

A: Let the mass of the log is M and the mass of the child is m. For y direction the torque equation is…

Q: Biomechanical research has shown that when a 67-kg person is running, the force exerted oh each foot…

A: mass of person m = 67 kg force exerted on each foot f = 2300 N

Q: One end of a 30-m rope is tied to a tree; the other end is tied to a car stuck in the mud. The…

A: The FBD of the given situation is given below. Here, T is the tension in the rope and that is…

Q: Three 0.300-kg billiard balls are placed on a table at the corners of a right triangle as shown in…

A:

Q: A stack of four textbooks sits on top of a desk. The mass of the bottom book is 5.0 kg, on top of…

A:

Q: A car traveling at 53 km/h hits a bridge abutment.A passenger in the car moves forward a distance of…

A:

Q: A 945-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A:

Q: A box of mass 21 kg moves with a constant velocity of (4, 8, –4) m/s. Three forces are exerted on…

A: Given data:  Velocity of box is constant F1→ =1, 0, 3 NF2→ =-5, -1, 19 N Required: Third force

Q: A force of 1.50 N acts on a 0.20-kg carts so as to uniformly accelerate it along a straight air…

A: F=1.5 N m=0.20 Kg   F=m*a a=F/m=1.5/0.2= 7.5 m/s^2

Q: A car traveling at 27.2 m/s hits a bridge abutment. A passenger in the car, who has a mass of 65.0…

A:

Q: A freight train consists of two 8.00×104 kg5.60×104 kg engines and 45 cars with average masses of…

A:

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A: Given data and free body diagram-

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!