PENDIPA Journal of Science Education, 2021: 5(3), 451-458 ISSN 2086-9363 https://ejournal.unib.ac.id/index.php/pendipa 451 The Effectiveness of Online Based Physics Learning in The Covid-19 Pandemic Period on The Material of Work and Energy Kharisma Titian Haqiqi * , Eko Hariyono, Nurita Apridiana Lestari Jurusan Fisika, FMIPA, Universitas Negeri Surabaya Jl. Ketintang, Surabaya 60231, Indonesia *Email: kharisma.17030184052@mhs.unesa.ac.id DOI: https://doi.org/10.33369/pendipa.5.3.451-458 ABSTRACT The Covid-19 pandemic that hit Indonesia impacts the field of education. The learning process is usually carried out face-to-face has turned into online learning. This study aims to see the effectiveness of online learning based on the learning process, the achievement of learning objectives, and the obstacles experienced by students and teachers when doing online learning at SMA Negeri 2 Ponorogo during the Covid-19 pandemic. The quantitative descriptive method was used in this research. The online survey was used by using a questionnaire instrument through Google Form and cognitive tests. The results showed that online learning during the Covid-19 pandemic often used the WhatsApp platform and school e- learning websites. Respondents were interested in taking physics lessons during the pandemic online because respondents used many learning medias. Based on the cognitive test results, the mean value of the respondents was <60 and did not meet the graduation criteria. The result shows that the respondents do not understand the materialof work and energy.. The obstacles experienced by respondents were difficulty understanding the material and questions in the form of statements on work and energy materials and limited quotas and internet networks. Based on the questionnaire, it was found that the effectiveness of online learning was 57%. It can be concluded that online-based physics learning during the Covid-19 pandemic at SMA Negeri 2 Ponorogo on adequate energy and business materials was carried out as a substitute for face-to-face /offline learning. Keywords: Learning physics, online, work, and energy. ABSTRAK Pandemi covid-19 yang melanda Indonesia berdampak pada dunia pendidikan proses pembelajaran yang biasa dialkukan dengan tatap muka berubah menjadi pembeljaran daring. Penelitian ini bertujuan untuk melihat efektivitas pembelajaran daring berdasarkan proses pembelajaran, pencapaian tujuan pembelajaran dan kendala yang dialami oleh siswa dan guru pada saat melakukan pembelajaran daring di SMA Negeri 2 Ponorogo selama pandemi covid-19. Penelitian dilakukan dengan menggunakan metode deskriptif kuantitatif. Teknik pengumpulan data dengan metode survei secara online menggunakan instrumen kuisioner melalui Google Form dan test kognitif. Hasil penelitian menunjukkan bahwa pembelajaran daring saat pandemi Covid-19 sering menggunakan platform whatsapps dan website e- learning sekolah. Responden tertarik mengikuti pembelajaran fisika selama pandemi dengan daring dikarenakan banyak media pembelajaran yang digunakan. Berdasarkan hasil test kognitif menunjukkan nilai rerata responden <60 dan tidak memenuhi kriteria kelulusan. Hal ini menujukkan responden kurang memahami materi usaha dan energi yang diberikan. Adapun kendala yang dialami responden yaitu sulit memahami materi dan soal yang berupa pernyataan pada materi usaha dan energi serta keterbatasan kuota serta jaringan internet. Berdasarkan angket didapatkan nilai efektivitas pembelajaran daring sebesar 57%. Berdasarkan data penelitian dapat disimpulkan bahwa pembelajaran fisika berbasis daring saat masa pandemi covid-19 di SMA Negeri 2 Ponorogo pada materi usaha dan energi efektif dilakukan sebagai pengganti pembelajaran tatap muka. Kata Kunci: Pembelajaran fisika, Daring, Usaha dan energi