Fundamentals of Physics Study Set 2
Physics & Astronomy
Quiz 5 :
Force and Motion I
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Q30 Q30 Q30
An object placed on an equal-arm balance requires 12 kg to balance it.When placed on a spring scale, the scale reads 12 kg.Everything (balance, scale, set of weights and object)is now transported to the Moon where free-fall acceleration is one-sixth that on Earth.The new readings of the balance and spring scale (respectively)are:
Q45 Q45 Q45
Two blocks are connected by a massless string that passes over a massless pulley, as shown.In the absence of friction, how does the tension force exerted by the string on the 250 N block compare with the tension force exerted by the string on the 350 N block?
Q63 Q63 Q63
A car drives in a straight line on a level road with a constant acceleration of 3 m/s2.A ball is suspended by a string from the ceiling of the car; the ball does not swing, being at rest with respect to the car.What angle does the string make with the vertical?