(d) determine the total work done on the block. 4. 1 newton (N) = 1 … Answer 1: Force F = 50 dynes ⊥ distance = 75 cm (b) A mass is attached to the spring and a new equilibrium position is reached (${y}_{1}={y}_{o}-\text{Δ}y$) when the force provided by the spring equals the weight of the mass. 18 kgms −1. Force Class-10 Goyal Brothers ICSE Physics Solutions Ch-1 (Page-11,12,13,14,15) Practice Problems 1 Question 1. The pound or pound-mass (abbreviations: lb, lbm, lbm, ℔1 ) is a unit of mass used in the imperial, United States customary and other systems of measurement. These internal forces are distributed continuously within the volume of the material body … v = s/t = 400/2 = 200 m/s. (a) 2000 cm/sec (b) 200 cm/sec (c) 20 cm/sec (d) 2 cm/sec. ... 1 Newton = ? (c) The free-body diagram of the mass shows the two forces acting on the mass: the weight and the force of the spring. 1 newton= 10 5 dynes. The velocity produced is 1:57 1.4k LIKES. Mass. Answer: F = 600 dyne = 600 g cms-2 ... A force acts on a body of mass 3 kg such that its velocity changes from 4 msr’ to 10 ms-1. In the metric system weights can be designated for convenience by their mass. If the same force acts on two bodies of different masses which are initially at rest and gain same displacement, ... 1 N = 10 5 dynes. Calculate centripetal force with mass, radius and velocity values as 25kg, 8 m and 12 m/s. A force of 50 dynes acts on a rigid body, such that the perpendicular distance between the fulcrum and the point of application of force is 75 cm. What is the velocity of a body of mass 5 gm if a force of 100 dynes acts on the body for 10 seconds? Inertia. Calculate the moment of force. A bomb of mass 20 gm strikes a target with a velocity of 500 cms-1.If the resisting force is 104 dynes the bullet will penetrate through: Ans. Weight is a measure of force not mass (weight = m g) and is expressed in units of dynes, N, or lb. 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