WorksheetsNewton's Second Law
Total questions: 8
Worksheet time: 9mins
A rightward force of 302 N is applied to a 28.6 kg crate to accelerate it across the floor. The
coefficient of dynamic friction between the crate and the floor is 0.750. Determine the acceleration of the crate. (Take g = 9.81ms-2)
9.81ms.2
7.94ms-2
3.20ms-2
91.6ms-2
A 405N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 m/s. The coefficient of dynamic friction between the box and the floor is 0.795. Determine the mass of the box. (Take g = 9.81ms-2)
51.9kg
50.9kg
509kg
41.3kg
A 6.58 x 103 N upward tension force is exerted on a 521kg downward moving freight elevator.
Determine the acceleration of the elevator.
(Take g = 9.81ms-2)
2.82ms-2 upwards
2.82ms-2 downwards
12.6ms-2 upwards
12.6ms-2 downwards
Not enough information in the question
A basketball star exerts a force of 3225 N (average value) upon the gym floor in order to accelerate his 76.5 kg body upward.
(a) Determine the acceleration of the player.
(Take g = 9.81ms-2)
Not enough force to overcome gravity
42.2ms-2
32.2ms-2
32.3ms-2
A basketball star exerts a force of 3225 N (average value) upon the gym floor in order to accelerate his 76.5 kg body upward.
(b) Determine the final speed of the player if the force endures for a time of 0.150 second
(Take g = 9.81ms-2)
Not enough information
4.85ms-1
484ms-1
4.85ms-2
