Force Practice Questions

Topics: Mass, Classical mechanics, Force Pages: 2 (410 words) Published: November 24, 2012
A hockey stick exerts an average force of 39N on a 0.2kg hockey puck over a displacement of 0.22m. if the hockey puck started from rest, what is the final velocity of the puck? Assume no friction.

Your physics teacher walking with the aid of a cane approaches a skateboard of 3.5 kg lying on the side walk. Pushing with an angle of 60 degree down from the horizontal with his cane, he applies a force of 115N, which is enough to toll the skateboard out of his way. Calculate the initial acceleration

A solo arctic adventurer pulls a string of two toboggans of supplies across level, snowy ground. The toboggans have masses of 95kg and 55kg. Appling a force of 165N causes the toboggans to accelerate at 0.61m/s2. Find the tension in the rope attached to the second toboggan.

A 75kg man is standing on a scale in an elevator when the elevator begins to descend with an acceleration of0.66 m/s2. What is the reading on the scale while elevator is accelerating?

A 32 kg baby is practising climbing skills on a climbing wall, while being belayed by her parent. The child loses her grip and dangles from the rope. When the parent starts lowing the child, the tension in the rope is 253N. Find the acceleration of the child when she is first being lowered.

The lighter person on an Atwood machine is 45kg. If the tension in the rope is 512N, what is the mass of the second person? What is the acceleration of the two people?

A 40g glider on an air track is connected to a suspended 25g mass by a string passing over a frictionless pulley. When the mass is released, how long will it take the glider to travel the 0.85 m to the other end of the track.

Starting from rest, Grace bikes down the starting ramp at a professional biking track. If the ramp has the minimum legal dimensions (1.5m high and 12m long), find the acceleration when coefficient of friction is 0.11

Lyn flick a 5.5g coin up a smooth board propped at an angle of 25 degree to the floor. If the initial...
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