1. If a fly bumps into the windshield of a fast-moving truck, (a) Which encounters the greater force: the fly or the truck, or is the same force encountered by both? (b) Which encounters the greater acceleration: the fly or the truck, or is the same acceleration encountered byboth?

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Answer the following questions. Show all your work for full credit. Solve all
numerical answers to three significant figures.
1. If a fly bumps into the windshield of a fast-moving truck, (a) Which
encounters the greater force: the fly or the truck, or is the same force
encountered by both? (b) Which encounters the greater acceleration: the fly or
the truck, or is the same acceleration encountered byboth?
2. A weight can be hung by string in any of the following 4 ways of same type. In
which type is the string most likely to break?
(C)
(B)
w D
3. A rope of mass 5 kg is moving vertically in vertical position with an upwards
force of 100 N acting at the upper end an a downwards force of 70 N acting at
the lower end. Solve the tension at midpoint of the rope.
4. For the situation shown in the figure,
A
7 kg
F=100 N3 kg
smooth
(a) Draw the free body diagrams of A and B.
(b) Solve the acceleration of the blocks A and B?
(c) Solve the magnitude of force applied by A on B.
5. For the situation, shown in the figure,
10 ke
(a) Draw the free-body diagram of 10-kg box
(b) Solve the acceleration of the box.
(c) Solve the force exerted by the box on the incline. All contact surfaces are
assumed frictionless.
6. Two masses of 5kg and 10kg connected by a massless string passing over a
frictionless pulley are in equilibrium as shown in the figure. One of the mass is
resting on the surface. Solve :
(a) Tension in the string.
(b) Normalreaction onthe 10kg block(takeg=10m/s³) 7.
Transcribed Image Text:Answer the following questions. Show all your work for full credit. Solve all numerical answers to three significant figures. 1. If a fly bumps into the windshield of a fast-moving truck, (a) Which encounters the greater force: the fly or the truck, or is the same force encountered by both? (b) Which encounters the greater acceleration: the fly or the truck, or is the same acceleration encountered byboth? 2. A weight can be hung by string in any of the following 4 ways of same type. In which type is the string most likely to break? (C) (B) w D 3. A rope of mass 5 kg is moving vertically in vertical position with an upwards force of 100 N acting at the upper end an a downwards force of 70 N acting at the lower end. Solve the tension at midpoint of the rope. 4. For the situation shown in the figure, A 7 kg F=100 N3 kg smooth (a) Draw the free body diagrams of A and B. (b) Solve the acceleration of the blocks A and B? (c) Solve the magnitude of force applied by A on B. 5. For the situation, shown in the figure, 10 ke (a) Draw the free-body diagram of 10-kg box (b) Solve the acceleration of the box. (c) Solve the force exerted by the box on the incline. All contact surfaces are assumed frictionless. 6. Two masses of 5kg and 10kg connected by a massless string passing over a frictionless pulley are in equilibrium as shown in the figure. One of the mass is resting on the surface. Solve : (a) Tension in the string. (b) Normalreaction onthe 10kg block(takeg=10m/s³) 7.
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