-ULIDU ६७.20m/s को गतिले गुडिरहेको बसलाई 5 सेकेण्डमा रोक्दा त्यसको औसत गति कति हुन्छ ?
(क) 10 m/s
(ख) 20m/s
(ग) 5m/s
(घ) 30m/s
६१.5kg पिण्ड भएको वस्तलाई 5m/s'को प्रवेग उत्पन्न गर्न कति बल आवश्यक पर्दछ ?​

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .