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Worksheetsforces and motion
Total questions: 24
Worksheet time: 3mins
A ball is dropped from a high place to the ground. Which of the following quantities will increase?
the acceleration due to gravity
the velocity of the object
the weight of the object
the potential energy of the object
Which of the following is not an example of non-linear motion?
an athlete running a 100 meter race
a spinning top
a falling coconut onto the ground
the movement of arrow to the target
Which graph shows a constant velocity?
which of the following is not conserved when an inelastic collision occurs?
total energy
total kinetic energy
total momentum
Which of the following working principle does not apply the effect of a impulsive force?
pile driver
hockey stick
pestle and rice mortar
mattress for the high jump event
Diagram 7 shows a fast moving car which stops suddenly and the driver is thrown forward.
Which of the following accessories can be fixed in the car to prevent the driver being thrown forward?
air bag, safety belt
air bag, front crumple zone
safety belt, front crumple zone
A stone takes 2 seconds to fall from the top of a well to the water surface in the well.
What is the distance of the water surface from the top of the well?
2.0 m
6.9 m
10.0 m
20.0 m
The toy car shown in diagram 8 is being pulled by a weight of 1kg which is attached to an inelastic string passing over a smooth pulley.
What is the tension in the string?
2.5 N
4.0 N
4.5 N
6.0 N
A child of mass 30 kg can run 30 m in 10 seconds. What is the kinetic energy produced while the child is running?
135 J
300 J
450 J
500 J
The force constant of a spring can be increased by
increasing the length of the spring
decreasing the diameter of the coil of the spring
using a copper wire instead of using steel wire as the coil of the spring
decreasing the diameter of the spring wire
